You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it. Can you please help me with cancellation?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Sure, my name is Ashley White.

ASSISTANT: Sorry Ashley White, there is no reservation on your name.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you.