
You are an expert in evaluating and guiding a web navigation agent. Your task is to help the agent effectively complete a given mission on a website based on the user’s intent. The agent’s goal is to navigate through the website to reach the desired state that aligns with the user’s objective.

You will analyze the next state of the webpage (OBSERVATION) after each action and determine whether the agent is successfully progressing towards the task goal. You will also assist the agent by choosing the next action if necessary, considering the dynamics of the web environment and how each state transitions.

Key Points:
1. Understand the intent:
- Identify the user’s goal (e.g., finding information, navigating to a specific page, modifying content).
- Make sure the next state of the webpage aligns with achieving that goal based on the current state and user’s intent.

2. Evaluate the Next State:
- When assessing the next state, consider how it contributes to reaching the intended goal. If the next state moves the agent closer to the user’s goal, it is evaluated positively.
- If the next state does not progress towards the goal or leads to an error, suggest alternative actions that will result in a more favorable next state.

3. State Guidance:
- If the next state shows that the agent is on the right track but hasn’t completed the task yet, recommend further actions that could bring the next state closer to the goal. Focus on guiding the agent to reach a state that reflects clear progress towards the goal.

4. Types of Tasks:
- Information Seeking: The next state must provide the specific information the user seeks (e.g., product price, reviews). If the information is unavailable, the next state should explicitly indicate that.
- Site Navigation: The next state must reflect that the agent has navigated to the exact page or item. Check if the state includes content based on the user’s intent.
- Content Modification: The next state should indicate that the requested content modification has been successfully committed (e.g., form submission, comment posting).
- General Task: Evaluate the entire process to ensure the next state reflects task completion. Stop actions should only be issued when the objective is met.

5. Common Pitfalls:
- Repetitive typing actions: Ensure that the next state does not show corrupted input due to repeated typing.
- Incomplete navigation: Ensure the agent’s next state reflects navigation to the specific item or content, not just to a general page or category.

Output Format with a Score Between 0 and 1:
Each next state will be evaluated with a score between 0 and 1, assessing how well the state moves towards the task’s completion. This score provides nuanced feedback on the state’s effectiveness.
0: The next state is a failure or leads away from the task.
Values closer to 0 (e.g., 0.1, 0.2): The next state does not contribute meaningfully but isn’t a total failure.
0.5: The next state is neutral, and the agent is maintaining its current position.
Values closer to 1 (e.g., 0.7, 0.8): The next state is helpful and moves the agent closer to the task goal.
1: The next state is optimal and is directly aligned with completing the task.

Response Format:
1. You should write your rationale providing a detailed analysis of the next state and reasoning for its score, providing a score between 0 and 1 based on how well the next state contributes to task completion.

Output Format: [Rationale] <your thought> [Score] <a value between 0 and 1>

OBJECTIVE: Book a roundtrip on July 1 from Mumbai to London and vice versa on July 5 for two adults and a 12-year-old in premium economy and if a flight is not available, search through the calendar for available flights.
PREVIOUS ACTION: ["type [153] [MUMBAI] where [153] is 'From*' hasPopup: listbox required: False", "click [4600] where [4600] is 'Mumbai, IN (BOM)'", "type [7216] [LONDON] where [7216] is 'To*' hasPopup: listbox required: False", "click [11710] where [11710] is 'London, GB (LON - All Airports)'", "click [14374] where [14374] is 'Depart' required: False", "click [18274] where [18274] is '1'", "click [22568] where [22568] is '5'", "click [26496] where [26496] is '1 Adult'", "click [30023] where [30023] is '+'", "click [33551] where [33551] is '+'"]
CURRENT OBSERVATION:	[37739] heading 'Welcome to United.com'
	[37762] button ' English - United States$'
	[37786] button 'Hi, James0 miles'
	[37806] status '' live: polite atomic: True relevant: additions text
	[37809] button 'Menu'
	[37818] tablist '' multiselectable: False orientation: horizontal
		[37819] tab 'BOOK' selected: False
		[37822] tab 'MY TRIPS' selected: False
		[37825] tab 'TRAVEL INFO' selected: False
		[37828] tab 'MILEAGEPLUS PROGRAM' selected: False
		[37831] tab 'DEALS' selected: False
	[37834] dialog '' modal: False
		[37876] status '' live: polite atomic: True relevant: additions text
		[37879] tablist '' multiselectable: False orientation: horizontal
			[37880] tab 'Book' selected: False
				[37883] heading 'Book'
			[37886] tab 'Flight status' selected: False
				[37889] heading 'Flight status'
			[37892] tab 'Check-in' selected: False
				[37895] heading 'Check-in'
			[37898] tab 'My trips' selected: False
				[37901] heading 'My trips'
			[37917] tablist '' multiselectable: False orientation: horizontal
				[37918] tab 'Flight' selected: False
					[37919] heading 'Flight'
				[37922] tab 'Hotel' selected: False
					[37923] heading 'Hotel'
				[37926] tab 'Car' selected: False
					[37927] heading 'Car'
				[37930] tab 'Packages' selected: False
					[37931] heading 'Packages'
					[37946] radio 'Roundtrip' checked: false
					[37952] radio 'One-way' checked: false
				[37956] checkbox '' checked: false
				[37963] checkbox '' checked: false
				[37977] combobox 'From*' hasPopup: listbox required: False
				[37984] combobox 'To*' hasPopup: listbox required: False
				[38002] textbox 'Depart' required: False
				[38010] textbox 'Return' required: False
				[38023] button '3 Travelers'
				[38025] dialog '' modal: False
					[38032] button '-'
					[38034] textbox '' required: False
					[38035] button '+'
					[38042] button '-'
					[38044] textbox '' required: False
					[38045] button '+'
					[38052] button '-'
					[38054] textbox '' required: False
					[38055] button '+'
					[38062] button '-'
					[38064] textbox '' required: False
					[38065] button '+'
					[38073] button '-'
					[38075] textbox '' required: False
					[38076] button '+'
					[38083] button '-'
					[38085] textbox '' required: False
					[38086] button '+'
					[38093] button '-'
					[38095] textbox '' required: False
					[38096] button '+'
					[38103] button '-'
					[38105] textbox '' required: False
					[38106] button '+'
					[38110] link 'Travel with a pet'
					[38114] button 'Clear all'
					[38116] button 'Close Panel'
				[38123] combobox '' hasPopup: listbox required: False
				[38143] button 'Advanced search'
				[38159] button 'Find flights'
				[38162] button ' Find your travel credits'
				[38194] link 'We hired Oscar the Grouch to help us show the good in garbage.'
					[38195] heading 'We hired Oscar the Grouch to help us show the good in garbage.'
				[38197] link 'Learn more'
		[38215] link 'Advertisement by United: Advertisement: Enjoy 80,000 bonus miles, 2,000 PQP and a United Club membership with the United Club Infinite Card.'
		[38225] heading 'Popular topics'
		[38229] combobox 'Search United' hasPopup: listbox required: False
		[38231] button 'Search'
		[38285] tablist '' multiselectable: False orientation: horizontal
			[38286] tab 'About United' selected: False
				[38287] heading 'About United'
			[38289] tab 'Products and services' selected: False
				[38290] heading 'Products and services'
			[38292] tab 'Popular destinations' selected: False
				[38293] heading 'Popular destinations'
			[38303] heading 'Corporate information'
			[38348] heading 'Media and partners'
			[38377] heading 'Business services'
		[38548] button ' English - United States$'
		[38561] link 'Espaol'
		[38612] button ' Search for a topic'
		[38616] heading 'Stay Connected '
		[38662] image 'United is a proud member of Star Alliance'
		[38665] link 'CoBrowse'
		[38685] textbox '' required: False
		[38687] button 'Start CoBrowse'
	[38696] dialog '' modal: False
		[38700] heading 'Search'
		[38705] link 'Backto content outside of dialog'
		[38712] button 'Close dialog'
	[38729] button 'Site Feedback'
CURRENT ACTION: click [38123] where [38123] is '' hasPopup: listbox required: False
NEXT STATE PREIDCTION: 	[41267] heading 'Welcome to United.com'
	[41290] button ' English - United States$'
	[41314] button 'Hi, James0 miles'
	[41334] status '' live: polite atomic: True relevant: additions text
	[41337] button 'Menu'
	[41346] tablist '' multiselectable: False orientation: horizontal
		[41347] tab 'BOOK' selected: False
		[41350] tab 'MY TRIPS' selected: False
		[41353] tab 'TRAVEL INFO' selected: False
		[41356] tab 'MILEAGEPLUS PROGRAM' selected: False
		[41359] tab 'DEALS' selected: False
	[41362] dialog '' modal: False
		[41403] status '' live: polite atomic: True relevant: additions text
		[41406] tablist '' multiselectable: False orientation: horizontal
			[41407] tab 'Book' selected: False
				[41410] heading 'Book'
			[41413] tab 'Flight status' selected: False
				[41416] heading 'Flight status'
			[41419] tab 'Check-in' selected: False
				[41422] heading 'Check-in'
			[41425] tab 'My trips' selected: False
				[41428] heading 'My trips'
			[41444] tablist '' multiselectable: False orientation: horizontal
				[41445] tab 'Flight' selected: False
					[41446] heading 'Flight'
				[41449] tab 'Hotel' selected: False
					[41450] heading 'Hotel'
				[41453] tab 'Car' selected: False
					[41454] heading 'Car'
				[41457] tab 'Packages' selected: False
					[41458] heading 'Packages'
					[41473] radio 'Roundtrip' checked: false
					[41479] radio 'One-way' checked: false
				[41483] checkbox '' checked: false
				[41490] checkbox '' checked: false
				[41504] combobox 'From*' hasPopup: listbox required: False
				[41511] combobox 'To*' hasPopup: listbox required: False
				[41529] textbox 'Depart' required: False
				[41537] textbox 'Return' required: False
				[41550] button '3 Travelers'
				[41552] dialog '' modal: False
					[41560] button '-'
					[41562] textbox '' required: False
					[41563] button '+'
					[41570] button '-'
					[41572] textbox '' required: False
					[41573] button '+'
					[41580] button '-'
					[41582] textbox '' required: False
					[41583] button '+'
					[41590] button '-'
					[41592] textbox '' required: False
					[41593] button '+'
					[41601] button '-'
					[41603] textbox '' required: False
					[41604] button '+'
					[41611] button '-'
					[41613] textbox '' required: False
					[41614] button '+'
					[41621] button '-'
					[41623] textbox '' required: False
					[41624] button '+'
					[41631] button '-'
					[41633] textbox '' required: False
					[41634] button '+'
					[41638] link 'Travel with a pet'
					[41642] button 'Clear all'
					[41644] button 'Close Panel'
				[41652] combobox '' hasPopup: listbox required: False
				[41657] listbox '' multiselectable: False orientation: vertical required: False
					[41658] option 'Economy' selected: False
					[40607] option 'Premium economy' selected: False
					[41662] option 'Business or First' selected: False
				[41673] button 'Advanced search'
				[41689] button 'Find flights'
				[41692] button ' Find your travel credits'
				[41724] link 'Your reward is waiting at the finish line with Mile Play.'
					[41725] heading 'Your reward is waiting at the finish line with Mile Play.'
				[41727] link 'Register now'
		[41745] link 'Advertisement by United: Advertisement: Enjoy 80,000 bonus miles, 2,000 PQP and a United Club membership with the United Club Infinite Card.'
		[41755] heading 'Popular topics'
		[41759] combobox 'Search United' hasPopup: listbox required: False
		[41761] button 'Search'
		[41815] tablist '' multiselectable: False orientation: horizontal
			[41816] tab 'About United' selected: False
				[41817] heading 'About United'
			[41819] tab 'Products and services' selected: False
				[41820] heading 'Products and services'
			[41822] tab 'Popular destinations' selected: False
				[41823] heading 'Popular destinations'
			[41833] heading 'Corporate information'
			[41878] heading 'Media and partners'
			[41907] heading 'Business services'
		[42078] button ' English - United States$'
		[42091] link 'Espaol'
		[42142] button ' Search for a topic'
		[42146] heading 'Stay Connected '
		[42192] image 'United is a proud member of Star Alliance'
		[42195] link 'CoBrowse'
		[42215] textbox '' required: False
		[42217] button 'Start CoBrowse'
	[42226] dialog '' modal: False
		[42230] heading 'Search'
		[42235] link 'Backto content outside of dialog'
		[42242] button 'Close dialog'
	[42259] button 'Site Feedback'
[Rationale] The next state after the current action indicates that the agent is still navigating within the booking interface on the United Airlines website, which is aligned with the user's goal of booking a roundtrip flight. The agent has successfully engaged the relevant elements for flight booking:

1. The "From*" and "To*" comboboxes are present, allowing the user to confirm or modify their departure and arrival destinations.
2. The option for selecting the number of travelers is displayed, which is crucial since the user specified the number of adults and a child.
3. The option to select the travel class (Premium Economy) is also visible, which directly relates to the user's request for premium economy tickets.

While the booking options have not yet been finalized, the agent's current state shows that it is effectively positioned to proceed with entering the flight details and selecting the appropriate options for the trip. The state retains all necessary components for booking, including the ability to find flights, which is essential if the initially requested flights are not available. 

The score of 0.79 reflects this positive progression towards the goal, indicating that while the task is not yet complete, the agent is making significant headway in the right direction. The next logical step would be for the agent to input the specific dates and the number of travelers before submitting the search for available flights. [Score] 0.79