customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you aid me in booking a flight ticket from IAD to CLT? 
 agent: Sure, can I know your travelling dates? 
 customer: I am planning to start on July 20th and return back on July 22nd. 
 agent: On which name should I reserve the flight ticket? 
 customer: Cynthia Scott. 
 agent: Do you have any connection limit? 
 customer: Make sure that connection limit is 1. 
 agent: Do you have any other specifications? 
 customer: I prefer to travel in economy class. 
 agent: Sorry, there are no flights found on given dates. 
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 agent: Thank you for reaching us.
customer: No issues. Thank you for checking.