Hello, my name is Kathleen Moore.
user
Hello, how can I assist you today?
assistant
I want to change my existing reservation due to health issues.
user
Sure, please wait a moment, let me check your reservation and notify you.
assistant
Ok.
user
Thanks for waiting, sorry, unfortunately no reservation found on your name.
assistant
Ok, thanks for your service.
user
Most welcome, have a nice day.
assistant