You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket from ATL to ORD. Could you help me in booking?

ASSISTANT: Sure, your good name please?

USER: Margaret Green here.

ASSISTANT: Can you please share your planned journey dates?

USER: My travelling dates are from June 27-29.

ASSISTANT: Let me know your connection limit.

USER: I need 1 connecting flight.

ASSISTANT: Do you have any specifications?

USER: My return time should be in the afternoon and I prefer for economy class.

ASSISTANT: Give me a minute, please.

USER: Ok.

ASSISTANT: Direct flight of Spirit airline flight is available with fare 100 in economy class having return time as 16:00 PM. Shall I reserve it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.