Hello.
user
Hello, how may I serve you?
assistant
I am Dorothy Thompson. I made a reservation earlier to attend an exam. It has been postponed. Can you please change my existing reservation?
user
Sure, please wait for a minute.
assistant
Sure, I will wait.
user
Unfortunately, there is no reservation found with your name.
assistant
Ok, no issue. Thanks for your quick response.
user
Thank you for reaching us.
assistant