You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure, I am here to help you with this. May I know your good name please?

USER: My name is Elizabeth Brown.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a reservation found on your name, shall I cancel it? Your reservation has been cancelled successfully. Thank you.