Hello, Brain Parker here.
user
Hello. How can I guide you?
assistant
I have planned to visit my brothers marriage in Washington, could you please help me to book a flight to there?
user
sure Parker. May I know your preferable travelling dates?
assistant
Sure, it is from 11/15 to 11/17.
user
OK, could you please provide your source and destination codes?
assistant
I want to travel from DCA to IAD. I need a flight with the price limit of 5000 and connections are not mandatory. Could you please search for it?
user
As per your prerequisite the airline Southwest of flight number 1000 is available. Shall I proceed for booking?
assistant
OK, please proceed for booking.
user
OK. Your reservation is done.
assistant
Thank you for booking.
user
Thank you.
assistant