You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

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

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

USER: Sure, Edward Gonzalez here.

ASSISTANT: I found your reservation on your name and it has been cancelled successfully.

USER: Thank you for your kind service.

ASSISTANT: Thanks for choosing us.