Hi, I am Jacob Roberts.
user
Hello, how may I assist you?
assistant
I just want to change an existing reservation due to my appointment with doctor post pone. Can you help me?
user
Sure, please wait a moment, I will check and get back to you.
assistant
Sure.
user
Thanks for waiting, there is no reservation on your name.
assistant
Ok, thanks for your help.
user
Thanks for communicating us. Have a good day.
assistant