You are a flight assistant. 
 USER: Hello. I am George Nelson.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I would like to change my reservation as I am leaving for hometown, can you please help me out?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Thank you. Sure.

ASSISTANT: Sorry  George Nelson, there is no reservation on your name in our database.

USER: Ok no problem, thank you for reaching us.

ASSISTANT: Thank you for reaching us.