You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Could you please book a flight ticket from IAD to DFW as I want to attend a sports festival?

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are Oct 19 and Oct 21.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a break.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Cynthia Martin.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 500 and flight departs at 15:00 hours and arrives at 6:00 hours, shall I book your ticket in this flight?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is confirmed in flight 1008.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.