You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation due to some personal problems, so please help me in cancellation.

ASSISTANT: Sure, may I know your good name?

USER: Sure, my name is Angela Moore.

ASSISTANT: Please wait I will revert you in a moment.

USER: Sure.

ASSISTANT: We found reservation on your name and it is being cancelled.

USER: Thank you.

ASSISTANT:  Thank you for availing us.