Hello.
Hello. How can I aid you?
 I am Christopher Smith want to attend food festival at Houston,TX-HOU with my friends. Can you book a ticket from DC-IAD?
Sure, I can help you out. When would you like to travel?
My travel dates are. My travel dates are 12/20 and 12/22.
Do you need connecting flight?
 I need a connecting flight.
We found a UA airline, flight number:1027 and the price is 200.
 Ok, you can proceed with the booking.
Your flight ticket has been reserved.
 Thank you for booking.
Thank you for consulting us.