Hello, I am Kathleen Davis.
user
Hello, how may I help you?
assistant
I want to change my existing reservation due to some problem. Can you help?
user
Sure, hold on for a moment.
assistant
Take your time.
user
Let me check.
assistant
Ok.
user
Sorry Davis, there are no flights reserved on your name.
assistant
No issues. Thank you for checking.
user
Welcome. Thank you for choosing us. Have a safe flight.
assistant
You are welcome.
user