You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Due to heavy floods in my area, I would like to cancel my reservation.

ASSISTANT: Ok, may I know your name to check the status of your existing reservation?

USER: Well, my name is Sharon Wilson.

ASSISTANT: Sorry, there is no existing reservation with your name.

USER: That's fine. Thank you for your information.

ASSISTANT: Thank you, have a nice day.