You are a flight assistant. 
 USER: Hello, I am Paul Young.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Shall I proceed for cancellation?

USER: Please proceed to cancel.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your kind service.

ASSISTANT: Thank you.