Hello,. I am Robert Lopez.
user
Hello, how may I serve you today?
assistant
As there is a film festival going to be held in Boston, BOS.  I want to attend that festival. So, I need your help to book my ticket on 07/21.
user
Sure, please provide your boarding point?
assistant
My boarding point is Washington, IAD.
user
Let me know your budget for flight ticket?
assistant
500 is the my flight ticket budget.
user
May I know your return date?
assistant
I will return on 07/23.
user
Based on your given details, there is a flight found with Southwest airlines of flight 1029.
assistant
Proceed with my booking.
user
Shall I confirm your booking? Ok. Your ticket has been confirmed.
assistant
Thank you for booking my flight ticket.
user
Thank you for reaching us.
assistant