You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for your response.

ASSISTANT: May I know your name to check your reservation status?

USER: Sure, my name is Sharon Young.

ASSISTANT: We have found a reservation on your name in our records, shall I proceed by cancelling?

USER: Please cancel.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: My pleasure.