You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Stephanie Carter. My son has a soccer tournament on 09/09 at Matzke School Houston. Could you please help me to book a flight?

ASSISTANT: Sure, please provide your airport codes.

USER: The airport codes are IAH to AUS.

ASSISTANT: Could you please share your return journey date?

USER: I will return on 09/11.

ASSISTANT: Do you have any preference in class?

USER: I am comfortable with any class.

ASSISTANT: Ok, let me know your specifications?

USER: I have price limit 500 and I need a break between my journey.

ASSISTANT: Southwest airlines with connecting flight and price is 100 of 1014 flight. Shall I proceed?

USER: Looks perfect, please go ahead.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.