customer: Hello. 
 agent: Hello. By what way can I guide you at this moment? 
 customer: I want to book a flight ticket from WA - SEA to TX - HOU to shoot a movie in Houston. 
 agent: Ok. What is your starting date of journey? 
 customer: I will start on 09/22, return on 09/24. 
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 customer: I want a direct flight. 
 agent: Let me know your name to book a ticket. 
 customer: Dorothy Hill. 
 agent: Thanks for your name. Unfortunately, I did not find any flights with your data because of having a busy at your route. Thank you for opting us. 
 customer: No problem, thank you for your service.
agent: Help me with your specifications?