You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Samuel Walker. I would like to book a flight ticket to visit Chicago. Can you help me for booking a flight ticket from AUS to ORD?

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

USER: My travelling dates are Mar 11 and Mar 13.

ASSISTANT: May I know your airline preference?

USER: I have no airline preferences.

ASSISTANT: Do you have any connection limit for this trip?

USER: Yes, I need a single connecting flight in my journey.

ASSISTANT: May I know your specific depart and arrival timings for this trip?

USER: My return time is afternoon.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Frontier airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 0:00AM and arrives at 19:00PM, shall I book your ticket in this flight?

USER: Ok, please proceed for booking.

ASSISTANT: Samuel Walker, your ticket is booked in flight number 1020.

USER: Thank you for booking.

ASSISTANT: Thank you and have a safe journey.

USER: Welcome.