You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I respond to your request?

USER: Can you help me to book a flight from DFW to AUS?

ASSISTANT: Surely, I will help you out. Do you prefer a connecting flight or a direct flight?

USER: I prefer connecting flight.

ASSISTANT: Ok, please help me with your planned dates.

USER: My travelling dates are Aug 23 and 25.

ASSISTANT: Is there any time concerns?

USER: No.

ASSISTANT: Do you have any other essentials?

USER: No.

ASSISTANT: May I know your name for further proceedings?

USER: Sure, my name is Mary Smith.

ASSISTANT: We found a connecting flight with a fare of 100 in 1004 Southwest Airlines, shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.