You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you today?

USER: I want to cancel recent reservation due to sudden postpone of my football match. Can you help me with that?

ASSISTANT: Sure, I am here to render you.

USER: Thank you.

ASSISTANT: May I know your name for checking purpose?

USER: Sure, I am Katherine Jones.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a reservation on your name, shall I proceed with cancelling your reservation?

USER: Please cancel it.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.