customer: Hello, I am Debra Green. 
 agent: Hello, how may I aid you today? 
 customer: I need to fly from SEA to DEN. Can you please help me to book a connected flight ticket? 
 agent: Sure, can you please provide your departure and arrival dates? 
 customer: Sure, my journey dates are Oct 19 and Oct 21. 
 agent: Do you have any specifications to be met? 
 customer: I am looking for a return flight time at evening. 
 agent: Are you looking for any preferred class? 
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 agent: Thank you for your valuable time, unfortunately no flights available on that route. 
 customer: No problem, thank you for your information. 
 agent: Thank you for reaching us.
customer: No.