You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency, my planned holiday trip with friends got cancelled. So I want you to cancel my existing reservation?

ASSISTANT: Ok, may I know your name please?

USER: Sure, I am Kenneth Thomas.

ASSISTANT: We found a reservation on your name. Shall I proceed with cancelling?

USER: Please proceed to cancellation.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks for your kind service.