You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Sure, Kimberly Scott.

ASSISTANT: We found a reservation with your given name, shall I cancel it?

USER: Please cancel my reservation.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thanks for the kind service.

ASSISTANT: Thank you for opting us.