Hi. I am Kathleen Young.
user
Hello,. How can I be your assistance today?
assistant
I want you to change my reservation as the trip which I want to go with my friends got postponed.
user
Ok, wait for a while.
assistant
Ok.
user
Thanks for waiting. There is no reservation exits on your name Kathleen Young in our database.
assistant
It's ok, thank you for your kind information.
user
Thank you for opting us. Have  a nice day!.
assistant