Hello.
user
How may I assist you today?
assistant
Assist me in changing my previous flight reservation as I modified my trip dates.
user
Sure, may I know your name for the changing process?
assistant
My name is Raymond Turner.
user
Sorry, as per your concern I can not amend your reservation, as your reservation is not found as per our records.
assistant
Ok, no problem. Thanks for responding.
user
Welcome, thank you for the information.
assistant