You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brian Lopez, I have planned for a round trip from ATL. Can you please help me to book my flight ticket?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: I have to depart on 10/11 and return on 10/13.

ASSISTANT: May I know your destination code?

USER: My destination is also ATL.

ASSISTANT: Spirit airline is available with 1 connection and ticket price is just 100. Shall I proceed with it?

USER: That's fine, please book the ticket.

ASSISTANT: Your reservation is confirmed with flight 1006.

USER: Thank you very much.

ASSISTANT: Have a nice day and take care.