Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation. Can you help me in that?
user
Sure, may I know your name?
assistant
Brian Brown here.
user
Ok, please wait a minute.
assistant
Ok.
user
Thanks for waiting, there is no active reservation on your name.
assistant
Ok, no problem. Thank you for checking.
user
Thank you for choosing us.
assistant