customer: Hello. 
 agent: Hello. How may I help you? Sure, may I know your travelling dates? 
 customer: I want to attend a meeting from MI-DTW to PA-PHL.Can you please help me for booking the flight ticket? The travelling dates are from 07/15 to 07/17. 
 agent: May I know your name? 
 customer: Sure, my name is Deborah Miller. 
 agent: Sorry, no flights found on your details. 
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 agent: Thank you for approaching us.
customer: Ok, It's fine. Thank you for your information.