Hi, I am William Green.
user
Hello, how can I assist you today?
assistant
I like to change my existing reservation because, my meeting are postponed to another location.
user
Sure, please wait for a while, I will check and revert you.
assistant
Ok.
user
We are sorry to inform you, we did not find any reservation against your name.
assistant
Ok, thanks for sharing your information.
user
Thank you for approaching us. Have a nice day.
assistant