Hello.
user
Hello, how can I aid you today?
assistant
 I made a reservation earlier this week to give a seminar, But my seminar has been postponed. Can you do the changes in my reservation?
user
Sure, may I know your name please?
assistant
I am Amanda Taylor.
user
Please stand by, I will check the reservation list and revert to you.
assistant
Ok.
user
We found no reservation by the name Amanda Taylor.
assistant
No problem, Thank you.
user
Thank you for choosing us.
assistant