Hello.
Hello. How may I guide you?
Kathleen Green here. I want to travel from DC-DCA on 07/28. Can you please help me for booking the flight ticket?
Sure, I am happy to help you. May I know your trip dates?
Ok. My return date is 07/30.
May I know your destination region airport code?
My destination airport code is AZ-PHX.
UA airlines is available on your location with a 1 break of flight in your journey. Is it suitable for you to travel?
If the price limit is 500, then proceed for booking the ticket.
Yes, the price is  only 100 for the above airlines in the flight 1021 on your trip dates. Have a happy journey.
Thank you for helping me.
Welcome.