customer: Hi,. 
 agent: Hello, may I serve you today? 
 __ 
 agent: Sure, please wait. 
 customer: Sure. 
 agent: Sorry, there is no reservation on your name. 
 customer: Not a problem, thank you. 
 agent: Thank you.
customer: I am Christopher Scott. I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?