You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: Sure, Edward Brown here.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your positive response.

ASSISTANT: Edward Brown, I found your reservation and I have successfully cancelled it.

USER: Thank you very much in cancelling my reservation.

ASSISTANT: Thank you for choosing us.