You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to travel from AUS to MSP. Can you help me to book a flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: I want to travel in the flight on Mar 03 and Mar 05.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your airline preference?

USER: I don't have any.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: David Young.

ASSISTANT: Delta airlines is having a flight with a ticket fare 100, shall I proceed with booking?

USER: Proceed to booking.

ASSISTANT: Your ticket has been confirmed with the flight-1002 in economy class.

USER: Thank you for your help.

ASSISTANT: Welcome.