You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Margaret Allen.

ASSISTANT: Ok.

USER: My client meeting was cancelled, so please cancel my recent reservation.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Thanks for waiting. But sorry to say that we did not find any reservation on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you.