Hello,. I am William Collins.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation due to postpone of my exams. Can you please aid me with this?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait for a while, I will check with the reservation list and revert to you.
assistant
Sure.
user
Thank you for waiting, No reservation was found on your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for choosing us.
assistant