You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kevin Young here.

ASSISTANT: How may I assist you now?

USER: I would like to visit Houston Zoo with my friends, please help me in booking a ticket from AUS to HOU.

ASSISTANT: May I know your travelling dates?

USER: My planned travel dates are on June 20 and June 22.

ASSISTANT: Ok, please mention your connection limit.

USER: I need a flight with single connection.

ASSISTANT: May I know your depart and return time?

USER: I would like to return in the afternoon.

ASSISTANT: Any other requirements from your side?

USER: No more requirements.

ASSISTANT: Flight-1009 is available for you with 1 connection at the price of 200. Can I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.