You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Carol Moore. I want to cancel my reservation, help in that?

ASSISTANT: Sure, I will assist you in that. Can you please wait a minute?

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to inform you Moore, there is no reservation found with your name in the reservation chart list. I think your reservation is not confirmed before.

USER: That's fine. Thank you for your information.

ASSISTANT: It's our pleasure. Thank you for approaching our services. Keep contacting us. Have a nice day.