Hello, I am Nancy Harries.
user
Hello, how can I be at your service today? Thank you for providing your  name.
assistant
I want to reschedule my recent reservation as my exams got postponed. Can you help me with it?
user
Sure, we are glad to help you. Please wait for a while, I will check the reservation list and revert you.
assistant
Ok.
user
Thank you for waiting. We are sorry to inform you that, we couldn't find any reservation on your name.
assistant
That's Ok.
user
Thank you for reaching us. Have a pleasant day.
assistant
Thank you for the response.
user