Hi. I am Nancy Taylor.
Hello, how may I address you?
I want to book a flight ticket from TX-AUS to DC-IAD. Can you help me?
Sure, please let me know your budget for this particular booking.
5000 is my fare.
On what dates are you interested to travel?
03/16 and 03/18 are my travelling dates.
 Let me check what flights are available for you.
Ok.
There is an AA airline with flight number 1006 and fare of 100 available on your dates.
You can reserve it.
Your booking has been confirmed.
Thank you for your help.
Thank you for choosing us.