Hi. I am Justin Martin.
user
Hello, how can I serve you today?
assistant
I made a reservation earlier this week to give a seminar, but my seminar has been postponed. So, can you please help me in changing my reservation?
user
Sure, please wait for a moment.
assistant
Ok.
user
Sorry to say that, no reservation was found with your good name.
assistant
No issue, thank you.
user
Thank you for opting us.
assistant