Hello,. I am Gregory Jones.
user
Hello, how may I address you today?
assistant
I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you please change my reservation?
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting, no reservation found with your name to change .
assistant
Ok, no issue. Thank  you.
user
Thanks for opting us.
assistant