Hello.
user
Hello. How can I aid you?
assistant
I am Katherine Lewis, want to alter my recent reservation due to sudden changes in my plan. Can you please help me out with that?
user
Ok, please wait I will revert you in a moment.
assistant
Sure.
user
Sorry to inform you that no reservation was found on your name in our data base.
assistant
It's ok, thank you for your help.
user
 Thank you for availing us.
assistant