You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: Myself Benjamin Brown, I want to attend a seminar in Washington city in the month of March in an university over there. Can you please help me to book a flight ticket from ORD to DCA?

ASSISTANT: Sure, I can aid you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Thank you for considering my request, my travel dates are 03/20 and 03/22.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok, have your time but I need a flight with single stopover.

ASSISTANT: Based on your information, UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Yes, do proceed with my booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1014.

USER: Thank you for booking my flight ticket with flight UA airlines.

ASSISTANT: Thank you for reaching us, have a nice day.