Hi. I am Stephanie Jackson.
user
Hello, how may I oblige you today?
assistant
Recently I had a reservation with the name of Shirley Moore, to attend for horse racing festival. I cannot attend there due to some health issues. So, I want to change my reservation with the name Stephanie Jackson?
user
Sure, I would be happy to help you.
assistant
Thank you.
user
 Please, stay online I will check and revert you.
assistant
OK.
user
Thank you for waiting. I have checked in reservation list to change, but could not find any reservation with your name.
assistant
Ok, may be it is reserved with some other airline. Thanks for the information.
user
Thank you for opting us, Have a pleasant day.
assistant