Hi.
user
Hello, how may I aid you?
assistant
 I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you please help me in changing my reservation?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name?
assistant
Gregory Perez.
user
Please be on hold for a while.
assistant
Ok.
user
There is no reservation found on your name.
assistant
No issue, Thank you for the information.
user
Thank you for choosing us.
assistant