customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: I would like to change my flight reservation as my trip got postponed, can you please help me? 
 agent: May I know your name? 
 customer: My name is Virginia Collins. 
 agent: We are sorry to inform you that, we did not find any reservation against your name. 
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 agent: Thank you.
customer: Not an issue, thank you for the information.