Hello.
user
Hello, how may I assist 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, we are here to help you.
assistant
Thank you.
user
Can I have your name to proceed further?
assistant
I am Jennifer Baker.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
That's ok, not an issue. Thank you for checking.
user
Thank you for opting us.
assistant