Hi, I am Barbara Scott.
Hello, how can I help you today?
I want to travel to PHX  to celebrate my birthday with my family, can you help me with booking from DCA?
Sure, we are happy to help you. May I know your travel dates?
My travelling dates are from 12/18 to 12/20.
Do you want any connection limit in between the journey?
I need a direct flight.
Ok, please wait a moment I will check and get back to you.
Sure.
Sorry to say, no flight found with your requirement.
Thanks for the response.
Thanks for opting us, have a great day.