You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please reserve me a flight ticket from DEN to ATL.

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: I am Susan Clark.

ASSISTANT: May I know your itinerary dates please?

USER: My trip dates are Dec 15 and Dec 17.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I prefer connecting flight for this trip.

ASSISTANT: There is a connecting flight-1010 in economy class, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you.

ASSISTANT: Thanks for choosing us.