Hi, Robert Thomas here.
user
Hello, how can I help you?
assistant
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?
user
Sure, I am here to help you. May I know your travelling dates?
assistant
Sure, My travelling dates are on 07/23 to 07/25.
user
May I know your source point?
assistant
Ok, My source is Boston, MA - BOS.
user
Please wait for a while.
assistant
Sure.
user
Sorry to tell that there is  no flight found on your request.
assistant
Ok, no problem.
user
Thank you for approaching us.
assistant
Thanks for your assistance.
user