You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, I can help you and can I know your name for checking your previous booking?

USER: Thank you. Myself George Lee.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: I have found your reservation and it has cancelled successfully from my end.

USER: That is great. Thank you for your help.

ASSISTANT: You are most welcome and have a nice day.