You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help that I can assist you?

USER: Myself Edward Parker. I need to travel Orlando, can you please reserve flight ticket from DFW and MCO?

ASSISTANT: Sure, I can assist you with that one. May I know on what dates that you are willing to travel?

USER: My travelling dates are Nov,29 and Dec,01.

ASSISTANT: Do you need an economy class or business class for your journey?

USER: That is not an important in travel.

ASSISTANT: On your dates, UA airline is providing a flight with 200 price and there is a single halt. Do you want me to proceed with booking?

USER: My depart time should be in the afternoon.

ASSISTANT: I am extremely sorry to say, no flight is available in afternoon time.

USER: That's ok, thank you for searching the available flights.

ASSISTANT: You are most welcome and have a nice day.