Hello.
user
Hello, how may I assist you?
assistant
 I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you help me to change it?
user
Sure, we are happy to assist you. May I know your name please?
assistant
Sure, my name is Sharon Davis.
user
Ok, please standby, I will check the reservation list and revert to you.
assistant
Sure, I will wait.
user
Thank you for your time, There was no reservation found on your name.
assistant
That's Ok, thanks for your help.
user
Thank you for opting us.
assistant