You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me in booking flight ticket from AUS to DFW to attend an event.

ASSISTANT: May I know your travel dates?

USER: My trip dates are Aug 27 to Aug 29.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Helen Wright.

ASSISTANT: United Airlines is providing the connecting flight and the fare of 100.

USER: You can proceed.

ASSISTANT: Your reservation is confirmed for the flight 1008.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.