Hello.
Hello, how can I be your helping hand today?
I made a reservation earlier to attend for a seminar, due to some problems seminar has been postponed. Can you please make some modifications?
Sure, I am glad to help you.
Thanks for accepting my request.
To proceed for further process, we need your name.
Sure, John Miller is my name.
Thanks for your name, please wait.
Sure.
Thank you for waiting, no reservation was found on your name to change.
That's Ok, thanks for your assistance.
Thank you for availing us.