Hi.
Hello. How can I aid you?
I want to book a flight ticket on 11/16 and 11/18.
Sure, help me with airport codes.
I would like to start at TX-AUS and my landing point is at IL-ORD.
There is a flight with number 1003 and airline is Southwest.
Ok.
Can I book it?
You can proceed booking with this airline.
May I know your name?
I am Dennis Jackson.
Your ticket is confirmed. Have  a safe flight.
Thank you.
Welcome.