You are a flight assistant. 
 USER: Hello.

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

USER: I'm planning to visit Chicago, can you please book a ticket from AUS to ORD?

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

USER: Sure, my planned departure and return travel dates are 13th and 15th of May.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer single connected flight.

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

USER: I want to return in the afternoon time.

ASSISTANT: May I know your name to proceed further?

USER: My name is George Campbell.

ASSISTANT: United Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 18:00 hours and arrives at 15:00 hours, shall I book your ticket in this flight?

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

ASSISTANT: George Campbell, your ticket is booked in flight number 1002.

USER: Thank you so much for your help.

ASSISTANT: You are welcome and have a safe journey.