Hi,.
user
Hello, how may I support you?
assistant
Please change existing reservation.
user
Sure, may I know your good name?
assistant
I'm Kathleen Harris.
user
Please wait for a moment while I check for the reservation.
assistant
Ok.
user
Thanks for waiting, Sorry Harris there is no any reservation on your name is found.
assistant
Thanks.
user
Thank you have a nice day.
assistant