
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: Find a cheapest flight from London to New York on 9th May.
PREVIOUS ACTION: ["click [416] where [416] is 'Flights' selected: False", "type [4146] [London] where [4146] is 'Flying from' hasPopup: listbox required: False", "click [8792] where [8792] is 'London, United Kingdom All airports' selected: False", "type [12946] [New York] where [12946] is 'Flying to' hasPopup: listbox required: False", "click [17600] where [17600] is 'New York(NY), United States All airports' selected: False", "click [283] where [283] is 'Traveling internationally? Get updated information on COVID-19 travel guidance and restrictions.'", "click [27327] where [27327] is 'SEARCH FLIGHTS'"]
CURRENT OBSERVATION:		[29082] image 'Site secondary logo'
		[29328] button 'List your place'
		[29357] heading 'J'
		[29086] image 'star_with_vip'
		[29391] combobox 'City or airport name' hasPopup: listbox required: False
		[29397] combobox 'City or airport name' hasPopup: listbox required: False
		[29405] button '9 May 2023 Tuesday'
		[29417] button 'Add return'
		[29431] button 'Search'
		[29447] heading 'Times'
		[29459] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
			[29460] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[29470] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
			[29471] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[29477] heading 'Airlines'
			[29485] checkbox 'Aer Lingus' checked: false
			[29493] checkbox 'Air Canada' checked: false
			[29501] checkbox 'Air Europa Lineas Aereas' checked: false
		[29517] heading 'Stops'
			[29525] checkbox 'Direct' checked: false
			[29533] checkbox '1 Stop' checked: false
			[29541] checkbox '2 Stops+' checked: false
		[29550] heading 'Price'
			[29558] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[29571] heading 'Duration'
			[29579] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[29585] heading 'Cabin Class'
		[29592] checkbox 'Mixed' checked: false
		[29600] checkbox 'Economy' checked: false
		[29611] button '7 May See Prices'
		[29619] button '8 May From $ 372'
		[29627] button '9 May From $ 586'
		[29635] button '10 May From $ 334'
		[29643] button '11 May From $ 356'
		[29651] button 'Cheapest 11h 10m From $586'
		[29669] button 'Fastest 7h 40m From $2,406'
		[29687] button 'Best overall 7h 45m From $1,907'
		[29720] heading 'Showing 382 flights from LON to NYC'
		[29728] button 'Price per person'
		[29772] button 'Icelandair logo Icelandair 13:05LGW 11h 10m(1 stop) EWR19:15'
			[29083] image 'Icelandair logo'
		[29822] button 'SELECT'
		[29827] button 'Flight details'
		[29866] button 'Icelandair logo Icelandair 13:05LGW 11h 5m(1 stop) JFK19:10'
			[29084] image 'Icelandair logo'
		[29916] button 'SELECT'
		[29921] button 'Flight details'
		[29960] button 'Icelandair logo Icelandair 13:05LHR 11h 10m(1 stop) EWR19:15'
			[29085] image 'Icelandair logo'
		[30009] button 'SELECT'
		[30014] button 'Flight details'
		[30053] button 'TAP Air Portugal logo TAP Air Portugal 08:00LHR 12h 20m(1 stop) EWR15:20'
			[30056] image 'TAP Air Portugal logo'
		[30104] button 'SELECT'
		[30109] button 'Flight details'
		[30119] region '3rd party ad content'
		[31649] heading 'Help'
		[31670] heading 'Company'
		[31688] heading 'Destinations'
		[31697] heading 'Partner with us'
		[31715] heading 'Get the app'
CURRENT ACTION: click [29728] where [29728] is 'Price per person'
NEXT STATE PREIDCTION: 		[35405] image 'Site secondary logo'
		[35651] button 'List your place'
		[35680] heading 'J'
		[35409] image 'star_with_vip'
		[35714] combobox 'City or airport name' hasPopup: listbox required: False
		[35720] combobox 'City or airport name' hasPopup: listbox required: False
		[35728] button '9 May 2023 Tuesday'
		[35740] button 'Add return'
		[35754] button 'Search'
		[35770] heading 'Times'
		[35782] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
			[35783] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[35793] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
			[35794] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[35800] heading 'Airlines'
			[35808] checkbox 'Aer Lingus' checked: false
			[35816] checkbox 'Air Canada' checked: false
			[35824] checkbox 'Air Europa Lineas Aereas' checked: false
		[35840] heading 'Stops'
			[35848] checkbox 'Direct' checked: false
			[35856] checkbox '1 Stop' checked: false
			[35864] checkbox '2 Stops+' checked: false
		[35873] heading 'Price'
			[35881] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[35894] heading 'Duration'
			[35902] slider '' orientation: horizontal valuemin: 0 valuemax: 100 valuetext: 
		[35908] heading 'Cabin Class'
		[35915] checkbox 'Mixed' checked: false
		[35923] checkbox 'Economy' checked: false
		[35934] button '7 May See Prices'
		[35942] button '8 May From $ 372'
		[35950] button '9 May From $ 586'
		[35958] button '10 May From $ 334'
		[35966] button '11 May From $ 356'
		[35974] button 'Cheapest 11h 10m From $586'
		[35992] button 'Fastest 7h 40m From $2,406'
		[36010] button 'Best overall 7h 45m From $1,907'
		[36043] heading 'Showing 382 flights from LON to NYC'
		[36051] button 'Price per person'
		[36096] button 'Icelandair logo Icelandair 13:05LGW 11h 10m(1 stop) EWR19:15'
			[35406] image 'Icelandair logo'
		[36146] button 'SELECT'
		[36151] button 'Flight details'
		[36190] button 'Icelandair logo Icelandair 13:05LGW 11h 5m(1 stop) JFK19:10'
			[35407] image 'Icelandair logo'
		[36240] button 'SELECT'
		[36245] button 'Flight details'
		[36284] button 'Icelandair logo Icelandair 13:05LHR 11h 10m(1 stop) EWR19:15'
			[35408] image 'Icelandair logo'
		[36333] button 'SELECT'
		[36338] button 'Flight details'
		[36377] button 'TAP Air Portugal logo TAP Air Portugal 08:00LHR 12h 20m(1 stop) EWR15:20'
			[36380] image 'TAP Air Portugal logo'
		[36428] button 'SELECT'
		[36433] button 'Flight details'
		[36443] region '3rd party ad content'
		[37973] heading 'Help'
		[37994] heading 'Company'
		[38012] heading 'Destinations'
		[38021] heading 'Partner with us'
		[38039] heading 'Get the app'
		[38117] radio 'Price per person Cheapest first' checked: false
		[38125] radio 'Total journey time Fastest first' checked: false
		[38134] radio 'Best overall Cheap, short flights' checked: false
		[38143] radio 'Outbound departure time Earliest first' checked: false
		[38152] radio 'Outbound arrival time Earliest first' checked: false
		[38161] radio 'Stops Fewest stops first' checked: false
[Rationale] The next state reflects a successful progression towards the user’s objective of finding the cheapest flight from London to New York on the specified date. After the action of clicking on the 'Price per person' button, the user is presented with a list of flights, including pricing information relevant to their search parameters. Notably, the agent can see multiple flight options for 9th May, including one priced at $586, which is the cheapest option displayed. This indicates that the agent is now in a position to further investigate flight details or possibly select a flight, aligning closely with the user's intent. 

The state does not complete the task yet, as the agent still needs to select the cheapest flight or gather more details, but it moves significantly closer to the goal, hence the score of 0.8. This score indicates that while the task is not yet complete, the actions taken have led to a favorable outcome that enhances the likelihood of fulfilling the user’s objective in the next steps. [Score] 0.8