Hi.
user
Hello, how may I help 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, please share your good name?
assistant
Edward Hernandez.
user
Please wait for a while.
assistant
Ok.
user
Sorry, no reservation found on your given name.
assistant
No issue, Thank you for the information.
user
Thank you for choosing us.
assistant