You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book a flight ticket from DEN to MSP.

ASSISTANT: Please tell me your travelling dates?

USER: May, 10 and May, 12 are my travelling dates.

ASSISTANT: Can I know your connection limit please?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: John Brown here.

ASSISTANT: Here is a connecting flight with fare 200 and 1026 as flight number in American Airline. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.