You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from ORD to ATL. Can you help me to book a flight ticket?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I want to travel in the flight on May 21 and May 23.

ASSISTANT: May I know your connection limit?

USER: I want to travel in a connecting flight.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: James Lee.

ASSISTANT: Spirit Airlines is providing connecting flight with the ticket fare of 300. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been confirmed by flight number 1006 and an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.