Hello.
user
Hello, how may I help you?
assistant
I need to change my existing reservation because of some financial problem. Can you change my reservation?
user
Ok, please hold on for a while, I will check the possibility. Can I know your name?
assistant
Ok, myself Kathleen Campbell.
user
There is no ticket showing on our database under your name.
assistant
That's ok,  no problem.
user
Thank you for reaching us.
assistant
Thank you for checking your data base.
user
Welcome.
assistant