You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Debra Phillips and I want to cancel my recent reservation due to my art exhibition got preponed.

ASSISTANT: Sure, I am at your service. Ok, please wait for a while.

USER: Ok.

ASSISTANT: I found a reservation on your name, shall I cancel the reservation.

USER: Thank you for your information.