You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Austin, will you help me in booking the flight ticket from DEN to AUS?

ASSISTANT: Please provide your trip dates.

USER: My preferable journey dates are Dec 14 and Dec 16.

ASSISTANT: Do you need any connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No, thank you asking.

ASSISTANT: May I know your name?

USER: Myself Robert Thomas.

ASSISTANT: Frontier Airlines is providing connecting flight on this route with a ticket fare of 700 and flight departs at 23:00 hours and arrives at 10:00 hours, shall I book your ticket in this flight?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is confirmed in flight 1001.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for opting us.