Hello.
user
Hello, how may I assist you today?
assistant
I want to change existing reservation due to postpone of my exams. Can you help me in that?
user
Sure, may I know your name for the changing process?
assistant
Joshua Robinson here.
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. Thank you for checking.
user
Welcome, thank you for reaching us.
assistant