You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me in booking a flight ticket from Chicago, ORD to Las Vegas, LAS?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are from Sept 03 to Sept 05.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a way station in between journey.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Jeffrey Moore.

ASSISTANT: May I know your class preferences?

USER: I am ok with any class.

ASSISTANT: We found a Spirit airline and 1004 is flight number with a fare of 200. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.