customer: Hi. 
 agent: Hello, how may I help you today? 
 customer: I am Stephen Harris from Washington. I want to see the West Coast's tallest building named Smith Tower at Seattle, can you please avail me a flight ticket? 
 agent: Sure, on which dates would you like me to book a flight ticket for you? 
 customer: My travel dates are from 06/05 to 06/07. 
 agent: Can you please provide your source and destination airport codes? 
 customer: I would like to start from DCA to reach SEA. 
 agent: Do you need a halt in between your journey? 
 customer: I need a halt in between my journey. 
 agent: May I know your budget limit? 
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 agent: Ok, please wait for couple of minutes. 
 customer: Ok. 
 agent: Sorry, we found a direct flight available on your route. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for reaching us.
customer: My budget limit is 200.