Hi. I am Donald Young.
Hello, how can I help you?
 I want to do research on a project at NASA space center at Houston, TX - HOU. Can you please reserve me a flight ticket from Austin, TX - AUS?
Sure.
Thank you.
Do you need a stopover within your journey?
Yes, single connection.
Let me know your scheduled dates of travel.
My trip dates are 05/01 - 05/03.
Ok, give me a minute.
Sure.
There is a UA airline with flight number 1022 and price of 100 matching your request.
Please proceed to book.
Your booking has been confirmed.