Hi.
user
Hello, how can I help you?
assistant
I am Michelle Green. Please change my existing reservation, because my family meet was postponed.
user
Sure, please wait for a moment, I will check the existing reservation on your name to change it.
assistant
Ok.
user
Thank you for waiting, we are sorry to say that there is no reservation found on your specified name.
assistant
Thank for sharing information.
user
Thank you for contacting us.
assistant