Hello.
Hello. How may I assist you today?
Myself Steven Phillips. I have to attend a  business meeting in Boston, can you please book a flight ticket from DCA airport?
Sure, I will help you. Could you please provide your preferable dates that you want to travel?
Thanks, my departure date is 08/03 and please book my return ticket also on 08/05.
Ok, may I know your destination airport code to proceed further?
Sure, my destination airport is BOS.
Please wait a moment to check the availability of flights.
Ok.
Sorry to inform you that, there are no flights moving to your travelling with your requested dates of travelling.
It's ok no problem, I will go with another airline. Thank you for your information.
Thank you for approaching us, have a great day.