Hello.
Hello. How may I help you at this minute?
Can you please help me to book a ticket from  IAH to DCA?
Sure, I am here to help you with that. Can I know your planned trip dates?
My travelling dates are on Nov 13 and Nov 15.
Ok, do you have any other requirements?
I prefer to travel in well known airline.
May I know your name?
My name is William Robinson.
Can I know your connection limit?
I need single connecting flight.
Yes, I have found a flight with the Southwest airlines having a connection limit 1 and the ticket fare of 100. Can I proceed with the ticket booking?
You can proceed.
Your ticket is confirmed in an economy class and the flight number 1019.
Thank you.
Thank you for reaching us. Have a safe journey.