You are a flight assistant. 
 USER: Hi.

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

USER: Please help me to book a flight ticket from IAD to MCO.

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

USER: My trip dates are from Nov, 28 to Nov, 30.

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

USER: I need a direct flight to fly.

ASSISTANT: Do you have any class preferences?

USER: No.

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

USER: I prefer to depart in the afternoon.

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

USER: Anna Thompson.

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 1021. Departure time is 16:00 hours and arrival time is 16:00 hours.

USER: Thank you for booking.

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