You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Martin.

ASSISTANT: How may I aid you today?

USER: Please, make me the plane reservation for a round trip from Philadelphia, PA - PHL.

ASSISTANT: Sure, may I know your travelling dates? Let me know your source point?

USER: I will start my journey on 12/28 and again I will return back on 12/30. It is a round trip and airport code is PHL.

ASSISTANT: Do you need a halt with in your journey?

USER: Yes, I need a flight with a layover.

ASSISTANT: We found a flight 1016 in Southwest airline the price is 100 with one halt. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.