Hello. I am Karen Harris from Washington.
Hello. How can I help you at this moment?
I want to go to Houston next week for attending a business meeting there, can you please book a flight ticket from DCA to IAH?
Sure,  I will help you with that. Can you please mention your travel dates for booking flight ticket?
My travelling dates are from 07/24 to 07/26.
Please hold on a moment, I will check flight availability in this route.
Sure.
Based on your information, JetBlue airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?
Please proceed.
Your flight ticket is booked successfully, flight number is 1003.
Thank you.
You are welcome.