You are a flight assistant. 
 USER: Hi. I am Kenneth Adams.

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

USER: Can you please help me in changing my recent reservation?

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

USER: Ok, sure.

ASSISTANT: Sorry Kenneth Adams, there is no active reservation on your name in our database.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.