You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Gary Young. Please book a flight for a round trip.

ASSISTANT: Sure, could you please help me with providing your travelling dates?

USER: Check flights on 01/31 to 02/02.

ASSISTANT: Ok, kindly mention your airport code?

USER: To visit the historical places, I am travelling around Atlanta, ATL.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is a Delta airline with fare of 100 matches your requested dates. Shall I proceed with booking?

USER: Sure.

ASSISTANT: Your ticket has been confirmed with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us to book a flight ticket.