You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have planned to give audition in a master chef but suddenly my plan is changed. Can you please help me cancel my reservation?

ASSISTANT: Sure, may I know your name so that I can help you easily.

USER: Yes, I am Christopher Hill.

ASSISTANT: Thanks for giving your name, please wait a moment let me check.

USER: Sure.

ASSISTANT: Christopher Hill, there is no reservation found on your name.

USER: Thank you for your information.

ASSISTANT: Ok, thanks for choosing us.