You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: To check your previous reservation, may I know your name?

USER: Sure, myself Emily White.

ASSISTANT: Thanks for providing your name, please standby.

USER: It's ok, I will wait for your response.

ASSISTANT: Thanks for your time, we found a reservation on your name and it is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching our service.