Hi, Robert Thomas here.
Hello, how can I help you?
I have planned to attend my Uncle's house ceremony in Washington, DC - DCA with my family. Can you please assist me for booking a ticket with price limit 1000?
Sure, I am here to help you. May I know your travelling dates?
Sure, My travelling dates are on 07/23 to 07/25.
May I know your source point?
Ok, My source is Boston, MA - BOS.
Please wait for a while.
Sure.
Sorry to tell that there is  no flight found on your request.
Ok, no problem.
Thank you for approaching us.