You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you aid me to book a flight ticket from DEN to DFW?

ASSISTANT: Please provide your trip dates.

USER: My trip dates are May 15 and May 17 respectively.

ASSISTANT: Do you need any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Are there any other specifications?

USER: My return time should be in the afternoon.

ASSISTANT: May I know your name?

USER: Michael Green here.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 22:00 hours and arrives at 12:00 hours, shall I book your ticket in this flight?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed in flight 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.