Hi, I am Katherine Clark.
user
Hello, how can I serve you?
assistant
I made a reservation earlier to give a seminar, but my seminar has been postponed. Can you please change my reservation?
user
Sure, please wait a moment I will check and let you know.
assistant
Ok.
user
Sorry, no reservation found on your name.
assistant
Ok, no problem. Thank you for your quick response.
user
Thank you for reaching us.
assistant