Hello.
user
Hello. How can I amend you?
assistant
 I am Paul Taylor.
user
Ok.
assistant
I want to change my existing reservation, due to my seminar has been postponed. Can you help me with that?
user
Sure, I am here to help you. There is no reservation found on your name.
assistant
That's Ok, no problem.
user
Thanks for reaching us, have a nice day.
assistant
Thanks for your kind response.
user