You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you help me in doing a reservation from DCA to LAS?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My trip dates are Sep 05 to 07.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: I prefer economy class.

ASSISTANT: May I know your name to proceed further?

USER: Jeffrey Taylor here.

ASSISTANT: Frontier Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 3:00 hours and arrives at 6:00 hours, shall I book your ticket in this flight?

USER: Ok, please proceed with booking.

ASSISTANT: Jeffrey Taylor, your ticket is booked in flight number 1028.

USER: Thank you.

ASSISTANT: You are welcome and have a safe journey.