You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Owing to an emergency, my meeting with client got cancelled. So I want you to cancel my existing reservation.

ASSISTANT: Sure, we are happy to help you. May I know your good name?

USER: Sure, Nicole Martin here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation o your name in our records and it has been cancelled successfully.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.