Hi.
user
Hello, how may I serve you?
assistant
I would like to change my reservation due to postpone of my reporting date in my head office for a seminar. I request you to please change my reservation.
user
May I know your name?
assistant
Sure, reservation was done by the name Michael Carter.
user
Please wait for a moment, let me check and back to you.
assistant
Sure.
user
Sorry to notify, there is no reservation found on your name.
assistant
Fine, thank you.
user
Thank you, have a nice day.
assistant