Hello.
user
Hello. How can I aid you?
assistant
My name is Linda Scott. I have  a plan to meet my father in Chicago, can you help me for booking a flight ticket from ATL to ORD?
user
Sure, please share your trip dates.
assistant
My travelling dates are from 12/27 till 12/29.
user
Please wait a moment.
assistant
Sure, I will wait.
user
Sorry, no flights are available on your route. Welcome, have a nice day.
assistant
That's ok, thank you for checking.
user