You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure. May I know your name please?

USER: My name is Amanda Evans.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry there is no flight reservation to cancel it.

USER: Thank you.

ASSISTANT: Thank you.