You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I serve you the best today?

USER: Due to some urgent meeting, I am going to cancel my reservation.Can you please help me for this?

ASSISTANT: May I know your good name please?

USER: Myself Samantha Phillips.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: can you please cancel my reservation?

ASSISTANT: Your ticket has been cancelled.

USER: Thank you very much for cancelling the ticket.

ASSISTANT: Thank you for opting us.