You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I need to change my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for considering my request.

ASSISTANT: May I know your name please?

USER: Sure, my name is Scott Adams.

ASSISTANT: Sorry Adams, there is no reservation found as per your name to alter it.

USER: That's ok, no problem. Thank you for your help in searching my reservation.

ASSISTANT: You are welcome.