customer: Hello. Gary Evans here. 
 agent: Hello, how may I aid you? 
 customer: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that? 
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 customer: Ok, I will wait. 
 agent: Sorry, there is no reservation found on your name. 
 customer: Anyway, thanks for the information. 
 agent: Thank you.
agent: Sure, please wait a minute.