You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my reservation due to some personal issues.So can you help me with cancellation of my reservation?

ASSISTANT: Sure, may I know your good name?

USER: I am James Lee.

ASSISTANT: Ok, please wait for minute.

USER: Sure.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Proceed.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.