Hello. I am Andrew Smith.
user
Hello, how may I guide you?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, please hold on for a moment.
assistant
SUre.
user
I am sorry, there are no reservations with your name.
assistant
Ok, not an issue.
user
Thank you, have a good day.
assistant
Thank you for your time.
user