Hello,.
user
Hello, how may I assist you?
assistant
I am Anthony Jackson. I want to book a flight ticket to attend my brother's marriage at Phoenix, AZ- PHX, so I want to fly from DCA.
user
Sure, please let me know your travel dates.
assistant
My travelling dates are from 12/26 to 12/28.
user
Please wait a moment, I will check with the availability of the flight.
assistant
Ok.
user
We found a connecting flight with price 100, flight number is 1003.
assistant
Please go with booking.
user
Your ticket has been confirmed with  UA airlines.
assistant
Thank you.
user
Thank you.
assistant