Hi, I am Donald Harris.
user
Hello, how can I help you?
assistant
I just want to change an existing reservation due to my exam got post pone. Can you help me in changing an existing reservation?
user
Sure, we are here to help you. Wait for some time.
assistant
Ok.
user
Thanks for waiting there is no reservations found on your name.
assistant
Ok, no problem. Thanks for your information.
user
Thanks for choosing us.
assistant