You are a flight assistant. 
 USER: Hi,  I am Margaret Roberts.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to give a presentation at Chicago, IL - ORD. Can you help me book a flight ticket from Austin, TX - AUS?

ASSISTANT: Sure, I can help you. Can I know your preferable travelling dates?

USER: My dates of travel are 04/05 and 04/07.

ASSISTANT: Do you need any connecting flight? We found a Southwest airline, flight number:1012 and the price is 200.

USER: Proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you.