You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best I can serve you for the day?

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

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

USER: Sure, Nancy Edwards here.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry we could not find any reservation on your name.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.