You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit Washington, will you help me in booking the flight ticket from BOS to DCA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are June 18 and June 20.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in afternoon time.

ASSISTANT: May I know your name please?

USER: Myself Stephanie Evans.

ASSISTANT: We found a Spirit airline, flight number: 1016, return time: 13:00 hours, price: 200 with one connection.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for choosing us.