You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, let me know your travel dates please?

USER: My travel dates are Sept 23 and Sept 25.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight on this route.

ASSISTANT: Do you need any other preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: Can I know your name please?

USER: I am Paul Green.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 200 and depart time is 12:00 hours, arrival time is 13:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1004.

USER: Thank you.

ASSISTANT: Thank you for choosing us.