Hi.
user
Hello, how may I aid you today?
assistant
I am Deborah Roberts, please book a  flight ticket on dates 12/19 and 12/21.
user
Sure, please share your source and destination airport codes.
assistant
My airport codes are FL-MCO and TX-AUS.
user
Please wait for a while.
assistant
Ok.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
That's ok, thank you for the response.
user
Thank you for reaching us.
assistant