Hi.
Hello. How can  I aid you?
Please book a flight ticket from IAD to AUS.
Sure, We are here to help you. Can I know your travelling dates?
My travel dates are 03/04 and 03/06.
Do you need any break?
I need a connecting flight.
Is there any other preferences that you would like to add before booking?
No.
May I know your name?
Christine Rodriguez here.
Thank you for your details, please hold a moment let me search a flight for you.
Sure.
We found a connecting flight with an UA airlines, flight number:1008. Can I reserve it?
Yes, proceed.
Your flight ticket has been reserved with an economy class.
Thank you for your help.
Thank you for approaching  us.