You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Washington, please help me in booking a ticket from DTW to IAD.

ASSISTANT: Ok, can I know the dates of your journey?

USER: My planned travel dates are on July 11 and July 13.

ASSISTANT: Ok, please let me know your other intents.

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your name to book a ticket?

USER: My name is Debra Wilson.

ASSISTANT: There is a flight ticket available for a flight with single connection limit and the airline is Spirit Airlines. Can I book the flight 1017?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, the flight ticket is booked and the class is economy.