Hi,.
user
Hello, may I know your good name please?
assistant
I am Amanda Anderson.
user
How can I aid you?
assistant
Please change my existing reservation.
user
Sure, I am here to help you. Please wait for a while.
assistant
Ok.
user
Thanks for waiting, but there is no reservation found on your name.
assistant
Thanks.
user
Thanks for choosing us, have a great day.
assistant