You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to bad weather conditions, I want to cancel my reservation. Can you help me out?

ASSISTANT: Sure, I will help you out. May I know your name please?

USER: Sure, my name is Stephen Davis.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Davis, no reservation has been found on your name in our database.

USER: That's fine, thank you.

ASSISTANT: Thank you for using our service.