customer: Hello. 
 agent: Hello. How may I aid you today? 
 customer: Can you  please book a flight ticket from IAD to AUS? 
 agent: Sure, can you please share your preferable journey dates? 
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 agent: May I know your name please? 
 customer: Sure, myself Barbara Phillips. 
 agent: Do you have any other specifications? 
 customer: I am looking for single connecting flight. 
 agent: I am sorry to say that there is no flight found under your details. 
 customer: Oh! It is sad to hear. Anyway, thank you for your time. 
 agent: Thank you for reaching us. 
 customer: Most welcome.
customer: Sure, I have planned my travel  dates as June 29 and July 01.