You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please change my reservation, due to change of my destination point to another location?

ASSISTANT: Sure, may I know your name for the changing process?

USER: My name is Jonathan Campbell.

ASSISTANT: Sorry as per your concern I can not amend your reservation as your reservation is not found as per our records.

USER: Ok, not an issue, may be reservation not done properly due to server issues. Anyway thank you.

ASSISTANT: Welcome, thank you for reaching us.