You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Robinson.

ASSISTANT: How may I assist you?

USER: Can you book a flight ticket from AUS to ORD?

ASSISTANT: Sure, I am ready to help you. Could you please share your travelling dates?

USER: My trip dates are Aug, 20 and Aug, 22.

ASSISTANT: May I know your connection limit?

USER: I need a single connection and make sure that my return flight ticket must be in the afternoon time.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Here, there is a flight with 1 connection in UA airlines and price is 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked with the flight 1020 in economy class and your arrival time is 16:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.