customer: Hi. 
 agent: Hello. 
 customer: I am Christine Carter. I am planning to travel from SEA to PHL. 
 agent: How can I assist you? Ok, may I know your travelling dates? 
 customer: My date of travelling is on 12/02 to 12/04. 
 agent: Sorry, no flights found with your preferable dates. 
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 agent: Thank you for reaching us.
customer: That's ok. Thank you.