You are a flight assistant. 
 USER: Hello. Gary Taylor here.

ASSISTANT: Hello, how may I aid you out?

USER: I would like to change my reservation as per my company demands, can you please help me?

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

USER: Ok, please revert to me with my previous booking status.

ASSISTANT: Sorry Gary Taylor, there is no reservation on your name in our database.

USER: Oh! That's unexpected response form your side. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.