customer: Hello. 
 agent: Hello. 
 customer: I am Paul Scott. 
 agent: How may I oblige you today? 
 customer: I want to book a flight from DCA to DEN. Could you help me in booking? 
 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: When you are willing to travel? 
 customer: My preferable dates are from 06/14 to 06/16. 
 agent: Do you have any specifications? 
 customer: Yes, I need a halt. 
 agent: Ok, please wait. 
 __ 
 agent: Thanks for waiting. Sorry, there are no flights found on your name. 
 customer: That's ok, no problem. Thank you. 
 agent: Thank you for reaching us.
customer: Ok.