Hi.
user
Hello, How can I help you?
assistant
Due to some personal reason I need to change my existing reservation.
user
May I know your name?
assistant
Rachel Carter is my name.
user
Wait a minute.
assistant
OK.
user
Sorry to tell that there is no reservation on your name.
assistant
OK, no problem. Thanks for your information.
user
Thank you and take care of your health.
assistant