You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you for the day?

USER: I would like to prefer a single connecting flight for my holiday trip to Boston. So can you book the flight ticket for me?

ASSISTANT: Sure, may I know your preferable airport codes, please?

USER: The airport codes are from AUS to BOS.

ASSISTANT: Can I know your name please to proceed for further?

USER: I am Benjamin Walker.

ASSISTANT: Do you need direct flight or connecting flight for your journey?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can you please share your planned travelling dates?

USER: My travel dates are from July 17 to July 19.

ASSISTANT: There is a connecting flight-1002 in Southwest Airlines with a fare of 100. Shall I proceed with booking?

USER: You can book the flight ticket.

ASSISTANT: Benjamin Walker, your booking is done in economy class.

USER: Thank you.

ASSISTANT: Most welcome, thank you for reaching us. Have a safe journey.