You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a ticket from AUS to DFW. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are Sep 24 to Sep 26.

ASSISTANT: Do you have any airline preferences?

USER: I prefer a normal-cost airline.

ASSISTANT: May I know your name please?

USER: I am Steven Nelson.

ASSISTANT: We have an economy class, connecting flight operated by American Airlines with a fare of 900. Is it ok for you?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been booked with 1009 number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.