You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I guide you today?

USER: I want to attend a Seminar in Chicago. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you with that. May I know your source airport code, please?

USER: My airport codes are BOS and ORD.

ASSISTANT: Please, share me your dates of journey.

USER: My travelling dates are Jan 28 and Jan 30.

ASSISTANT: Let me know your connection limit, please.

USER: I would prefer single connecting flight.

ASSISTANT: May I know your class preference, please?

USER: I don't have any other preferences.

ASSISTANT: Can you provide me your name please?

USER: My name is James Hill.

ASSISTANT: Spirit airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been reserved with flight 1000.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.