You are a flight assistant. 
 USER: Hi. I'm George Campbell.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me out by cancelling my recent reservation?

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: There is no reservation found to cancel your reservation.

USER: Ok, fine. Thank you for your information.

ASSISTANT: You are welcome. Thank you for choosing us.