customer: Hi. 
 agent: Hello, how may I abet you? 
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 agent: Sure, may I know your good name? Thank you for providing your name, please hold on. 
 customer: Sure, I will wait for your response. 
 agent: No reservation found on your name. 
 customer: It's ok, thanks for your information. 
 agent: Thank you for choosing us, have a nice day.
customer: Catherine Hall here, please cancel my reservation which I have done previously.