You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Would it be possible to change my reservation to new travel dates?

ASSISTANT: Sure, may I know your name please?

USER: Ok, I am Linda Allen.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

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

USER: It's ok, thanks for checking my reservation status.

ASSISTANT: Thank you for reaching us with a query.