customer: Hello. 
 agent: Hello. 
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 agent: How may I aid you today? 
 customer: Can you please help me in booking a flight ticket from PHL to DFW? 
 agent: Sure, could you please provide me your trip dates? 
 customer: Sure, my travel dates are from 04/29 to 05/01. 
 agent: Ok, wait for a moment. 
 customer: Ok, take your time. 
 agent: Sorry, there are no flights found on your preferable dates. 
 customer: That's ok, no problem. 
 agent: Thank you for reaching us. 
 customer: Anyway thank you for the information.
customer: Larry Walker here.