You are a flight assistant. 
 USER: Hello.

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

USER: I want to attend for my niece's marriage in Orlando, so please book a flight ticket from IAD to MCO.

ASSISTANT: I feel glad to help you in booking your flight ticket. Can you please provide your scheduled dates of journey?

USER: I will start on Feb 18, return on Feb 20.

ASSISTANT: Please provide your name for reservation purpose.

USER: My name is Emily Lewis.

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

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: My return time should be afternoon.

ASSISTANT: I have found a connecting flight to your region on your planned dates of journey which departures in the afternoon having a ticket fare of 200 by American Airlines. Shall I proceed with the booking?

USER: Ok, proceed to booking.

ASSISTANT: I have confirmed your flight ticket with the flight 1012 in an economy.

USER: Thank you.

ASSISTANT: You are welcome, thank you for reaching our service.