Hello, Sharon Walker here.
user
Hello, how may I assist you?
assistant
I want to do some changes in the existing reservation because my friends are not able to come on those days.
user
Sharon Walker, let me check with your existing reservation.
assistant
Ok.
user
Sorry Sharon Walker, I didn't found any reservation by your name.
assistant
It's ok, no issue.
user
Sorry for the inconvenience. Thanks for choosing us.
assistant
Thank you for your quick response.
user
You are welcome.
assistant