Hello.
user
Hello. How may I help you?
assistant
Actually my Snooker's competition is postponed so that I want to change an existing reservation, can you help me?
user
May I know your name?
assistant
Sure, I am Jack Hall.
user
Sorry Hall, there is no reservation found with your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us.
assistant