You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to fly from IAD to ATL. Can you check the flight availability from that root?

ASSISTANT: Sure, let me know your trip dates please?

USER: My planned travel dates are 05/08 and 05/10.

ASSISTANT: Ok, is there any class preference?

USER: Yes, I need economy class with 1 connection limit.

ASSISTANT: Do you need any other specifications?

USER: Make sure that, my return time should be in afternoon only.

ASSISTANT: Can I know your name please to proceed further?

USER: Sure, Richard Harris here.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 100 and depart time is 9:00 AM, arrival time is 17:00 PM. Shall I proceed?

USER: Yes, you can proceed with that booking.

ASSISTANT: Your ticket has been confirmed by flight number 1012 and an economy class.

USER: Thank you for the booking.

ASSISTANT: Thanks for choosing us.