Hi.
Hello. How can I assist you?
 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?
Sure, can I know your name please?
Sure, Paul Brown.
Ok, wait a moment please.
Ok.
Sorry, there is no reservation found on your name.
No issue, Thank you for the information.
Thank you for approaching us.