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