You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from ATL to IAD?

ASSISTANT: Can you please share your trip dates?

USER: My travel dates are Oct 19 and Oct 21.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any specific time concern?

USER: I would like to return back in the afternoon time.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with any airlines.

ASSISTANT: Could you help me with your name please?

USER: I am Justin Harris.

ASSISTANT: Spirit Airlines is providing a connecting flight with business class and the airfare is about 500. Are you  happy with this flight?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is booked for the flight 1006.

USER: Thank you.

ASSISTANT: Thank you for reaching our agency.