Hello.
user
Hello, how can I aid you today?
assistant
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?
user
Sure, please share your name.
assistant
Myself Jessica Clark.
user
Sorry to inform you that there is no reservation found under your name.
assistant
It's ok, thank you.
user
Thank you for opting us.
assistant