You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight ticket from DEN to ORD?

ASSISTANT: Sure, can you please share your planned trip dates?

USER: I would like to travel on June 25 and return on June 27.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Let me know your class preference?

USER: I prefer economy class.

ASSISTANT: May I know your name please?

USER: Jacob Allen here.

ASSISTANT: Ok, we found connecting flight 1021 in Jet Blue Airlines with fare of 100, shall I proceed with economy class?

USER: Please, proceed with the booking.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.