You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a ticket from DCA to IAD? As I'm planning to visit Washington.

ASSISTANT: Please provide your trip dates.

USER: Sure, my planned departure and return travel dates are 25th and 27th of Nov.

ASSISTANT: Do you need any connection limit?

USER: I prefer single connected flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Charles Jones.

ASSISTANT: Spirit Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 14:00 hours and arrives at 16:00 hours, shall I book your ticket in this flight?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Your ticket is confirmed in flight 1008.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.