You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you?

USER: Due to some personal matters my friend marriage is postponed, so I need to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, May I know your name please?

USER: My name is Paul Turner.

ASSISTANT: Your ticket has been cancelled as you requested. Thank you for choosing us.

USER: That was nice and fast. Thank you.