customer: Hi. 
 agent: Hello. How can I help you? 
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 agent: Can you please tell your travelling dates? 
 customer: My itinerary dates are 12/11 and 12/13. 
 agent: Sorry, there are no flights available with your requested details. 
 customer: No problem, thank you so much. 
 agent: Thank you and have a nice day.
customer: Nancy Taylor here. I am a journalist, I have to interview a politician in Detroit. Could you book my ticket from PHL to DTW?