customer: Hello,. I am David Jones. 
 agent: Hello. How may I support you today? 
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 agent: Sure, we are glad to help you. Please stand by. 
 customer: Ok. 
 agent: Thank you for your time, there is no reservation found on your name. 
 customer: Ok, no issues. 
 agent: Thank you for contacting us in cancelling your reservation. 
 customer: Thank you for your information.
customer: I want to cancel my reservation because I was having interview, but I am not fully prepared. Could you please help me?