Hello, I am Larry Hernandez.
user
Hello, how may I help you?
assistant
I want to change my existing reservation can you help with this?
user
Sure, please stand by I will check the status and let you know.
assistant
Ok.
user
Thank you for your time, we are sorry to say that we did not find any reservation with your name.
assistant
Thank you for the information.
user
Thank you for choosing us, have a good day.
assistant