Hello, I am Samuel Roberts.
user
Hello, how can I help you?
assistant
I planned to visit a best place, but it has been postponed. I want to change my existing reservation.Can you please help me for that.
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting. Sorry, no reservation found with your name.
assistant
Thanks for your great information.
user
Thank you.
assistant