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