You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Kevin Williams here. I want to cancel recent reservation due to weather condition. Can you help me in this one?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation on your name in our database. Thank you for reaching us.

USER: That's ok, thank you for giving the information.