You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Nancy Wilson. Suddenly there is an office meeting. So, I would like to cancel my recent booking. Will you please help me in that?

ASSISTANT: Sure, hold on for a moment.

USER: Sure.

ASSISTANT: I'm sorry Nancy, there are no reservations on your name.

USER: Oh! it's alright. Thank you for giving your information.

ASSISTANT: Thank you, have a good day.