You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Please book a ticket from ATL to DCA to attend an interview.

ASSISTANT: I am happy to help you about that. Can you please let me know your planned dates of journey?

USER: My travelling dates are Mar 19 and Mar 21.

ASSISTANT: Would you like to have a connecting flight or a direct flight for your journey?

USER: I would like to fly in single connected flight.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: Sure, I am Sandra Taylor.

ASSISTANT: Is there any other requirement for your journey?

USER: No.

ASSISTANT: I have found a connecting flight having a ticket fare of 200 by United Airlines. Shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: I have booked your flight ticket with the flight 1001 in an economy class.

USER: Thank you.

ASSISTANT: You are welcome.