You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know your travel dates?

USER: My planned travel dates are on Sept 24 and Sept 26.

ASSISTANT: Do you have any connecting flight preferences?

USER: I prefer a flight with single connection.

ASSISTANT: May I know your name please?

USER: My name is Ronald Hernandez.

ASSISTANT: Is there any other concern?\.

USER: No, thank you for asking.

ASSISTANT: Spirit Airlines is providing the connecting flight on this route and the fare of 200. I found a flight for you as per your given intents, is there any concern with booking please contact our website with the tracking number provided to you through the mail. Thank you for choosing us, have a pleasant journey.