Hello, I am Timothy Adams.
user
Hello, how can I serve you?
assistant
Can you please change my reservation as the art festival which I scheduled to attend got delayed?
user
Sure, please wait  a moment I will check and let you know.
assistant
Ok.
user
Sorry, we did not found any reservation on your name.
assistant
That's ok, thank you for the information.
user
Thank you for reaching us.
assistant