You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my ticket due to dense fog in my place.

ASSISTANT: Sure, may I know your name please?

USER: Brian Hill here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Hill, there is no reservation found as per your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us with a query.