customer: Hello. 
 agent: Hello, how may I serve you now? 
 customer: My name is Stephen Parker. 
 agent: Thanks for providing your name. 
 customer: I want to cancel my reservation due to cancel of my conference. 
 agent: Ok, please wait a moment, I will check the reservation list and revert to you. 
 customer: Sure. 
 agent: Thanks for waiting. 
 customer: Ok. 
 agent: Sorry to say that there is no reservation found on your name. 
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 agent: Thanks for choosing us and have a nice day.
customer: No issue, thanks for your service.