customer: Hello. 
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 customer: Due to some problems my trip was cancelled so can you please cancel my flight ticket? 
 agent: Sure, may I know your name? 
 customer: Sure, my name is Edward Brown. 
 agent: Sorry, there is no active reservation on your name. 
 customer: Oh! It's ok, no problem. Thank you for your information. 
 agent: Thank you.
agent: Hello. How may I assist you today?