You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Benjamin Nelson here. I would like to reserve my ticket form ATL to DTW. Can you please help me out in booking?

ASSISTANT: Ok, when do you want to travel?

USER: I want to start my journey on Dec 10 and return back on Dec 12.

ASSISTANT: Ok, do you prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, May I know your budget?

USER: I can afford up to 200 to my ticket.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1002 Spirit airline with a fare of 200. Can I proceed for booking in economy class?

USER: Yes, please proceed with that booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.