Hi, I am David Thompson.
Hello, how can I assist you now?
Could you please help me to book an economy class ticket within the fare limit 5000 to Austin?
Sure David Thompson, I am happy to help you with that. Can I have your travel dates please?
I need to depart on Aug 16th and my return date will be on Aug 18th.
Ok, please let me know airport codes of your journey locations.
My boarding airport code is SEA and my destination airport code is AUS.
Ok, please let me know your airlines preference too.
I don't have any airline preference.
UA airlines running a flight in your route with connection 1 and the ticket fare is 100. Are you ok with this flight?
Yes, you can proceed with the booking.
Ok David Thompson, your ticket booking has done  and the flight number is 1005.
Thank you for your assistance in booking.
Thank you for choosing us, have a great journey.