You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Can you help me to book a flight ticket from DCA to DEN?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travel dates are Nov 22 and Nov 24.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any more specifications?

USER: I prefer connecting flight for this trip.

ASSISTANT: Southwest airlines running a flight in your route with connection 1 and the ticket fare is 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Can I have your good name please to book a ticket?

USER: I am Barbara Thompson.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1025.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.