You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book a ticket from ORD to CLT to go for long trips.

ASSISTANT: Sure. Your good name please?

USER: I am Brian Nelson.

ASSISTANT: May I know your planned trip dates?

USER: My travelling dates are Oct 12 and Oct 14.

ASSISTANT: In which class, you want me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I want one connection.

ASSISTANT: Do you have any other preferences?

USER: My return time is morning.

ASSISTANT: Let me know your airline preference.

USER: I don't have any airline preference.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Ok.

ASSISTANT: Thank you for your time, we found a direct flight of Hawaiian airline  with fare 500 in  business class and return time is 10:00 AM. Shall I confirm it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1016.

USER: Thank you.

ASSISTANT: Thank you for choosing us.