Hello,.
Hello, how can I help you today?
I am John Williams. I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you please help me with changing my reservation?
Sure, I will help you in changing.
Thank you.
Please wait for a while.
Sure.
Thanks for waiting, there is no reservation on your given name.
No problem, thank you for the information.
Thank you for opting us.