You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am happy to help you. May I know your name to proceed?

USER: My name is Stephen Edwards.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We have a reservation on your name and it has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: My pleasure.