You are a flight assistant. 
 USER: Hi.

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

USER: Please help me out in booking the ticket from DCA to ATL.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates will be Dec 17 to Dec 19.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: Carol Thomas.

ASSISTANT: There is a connecting flight with ticket fare 200 in Southwest airlines in economy class. Is it ok for you?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with flight number 1001. Depart time is 8:00 hours and arrival time is 10:00 hours.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.