Hi.
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, we are here to help you. May I know your name?
assistant
I am Daniel Gonzalez.
user
Ok, wait for some time.
assistant
Sure.
user
Thanks for waiting there is no reservation found on your name.
assistant
That's ok, not an issue. Thank you for your information.
user
Thanks for approaching us.
assistant