You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my existing reservation, due to bad weather conditions. Can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Raymond Jones.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us with a query.