customer: Hello. 
 agent: Hello, how may I help you? 
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 agent: Sure, please wait for a moment. 
 customer: Ok. 
 agent: Sorry, there was no reservation found with your given name. 
 customer: Not an issue. Thank you. 
 agent: Thank you for opting us.
customer: I am Gregory Evans. I want to cancel my reservation, so please help me in the cancellation.