You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a flight ticket form DFW to LAS. Could you help me in booking?

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

USER: My travelling dates are from Sep 11 - 13.

ASSISTANT: May I know your name please?

USER: Ronald King.

ASSISTANT: Is there any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any other specification?

USER: No.

ASSISTANT: Spirit airlines is providing direct flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked with the flight-1000.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.