You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a ticket from BOS to AUS. Can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I am planning to travel on Dec 01 and return back on Dec 03.

ASSISTANT: May I know your connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: I am David Smith.

ASSISTANT: We found an airline: United Airlines, flight number: 1008 and price is 200 with one connection.

USER: That's fine, please proceed the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.