You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owning to an emergency, I would like to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Ok, May I know your name to proceed further?

USER: Sure, my name is John Edwards.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: Thank you.

ASSISTANT: Thank you for approaching us.