You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from DEN to DTW, Can you please help me for booking?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I would like to travel on 02/17 to return on 02/19.

ASSISTANT: May I know your name?

USER: Brian Perez here.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: AA airlines with flight 1024 is providing a connecting flight and ticket costs you 200 in economy class.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is confirmed Brian Perez. Flight departs at 20:00 hours and arrives at 1:00 hours.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.