You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to book a flight ticket from PHL to DFW.

ASSISTANT: Sure, I can help you with that. May I know your planned departure and return travel dates please?

USER: My planned travel dates are Dec, 28 and Dec, 30.

ASSISTANT: Do you prefer break in between your journey?

USER: Yes, I need a break.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more, thank you.

ASSISTANT: May I know your good name please?

USER: Michelle Parker.

ASSISTANT: Spirit airlines is providing a direct flight with ticket fare of 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have booked you an economy class ticket in flight-1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.