Hello,.
user
Hello, how can I help you today?
assistant
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?
user
Sure, I will help you in changing.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no reservation on your given name.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant