You are a flight assistant. 
 USER: Hello, I am Edwards Davis.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation, due to heavy rainfall at my destination.

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your and it is cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.