You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please help me in booking a flight ticket from Chicago, ORD to reach San Francisco, SFO?

ASSISTANT: Sure, let me know your journey dates?

USER: My journey dates are from Sept 02 to Sept 04.

ASSISTANT: May I know your connection limit?

USER: I need a way station in between journey.

ASSISTANT: Is there any class preference?

USER: I prefer business class.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Can I know your name?

USER: My name is Patricia Turner.

ASSISTANT: We found a Frontier airline with flight number 1004 and fare is 1004 and class is business with on connection. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.