You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from IAD to ATL?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do let me know your planned travel dates?

USER: Sure, my travel dates are from May 24 to May 26.

ASSISTANT: Any other benefits you need?

USER: I would like to return in the evening.

ASSISTANT: Can I know your name please?

USER: Catherine Edwards here.

ASSISTANT: Southwest Airlines has a connecting flight with number 1012 for fare 100 with an economy class seat which returns at 0.00AM, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.