customer: Hello. 
 agent: Hello, how may I assist you? 
 customer: I am Anthony Smith, I need to reach Boston university as I got promotion as lecturer. Can you please book a flight ticket? 
 agent: Congratulations Smith. Sure, can I know the travel details please? 
 customer: Sure, my travel dates are 02/12 and 02/14 and airport codes are BOS and BOS itself. 
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 customer: Sure, please take a time. 
 agent: Sorry to say this Smith, we could not find a flight with your requested dates. 
 customer: Oh! That's sad to hear. Anyway, thank you for your help. 
 agent: Thank you for reaching us.
agent: Ok, hold on for a moment please.