You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking a flight ticket from DCA to IAD?

ASSISTANT: Sure, I'm glad to help you with that. May I know your planned departure and return travel dates please?

USER: I want to fly on Mar 17 and return on Mar 19.

ASSISTANT: Do you need break in between your journey?

USER: I need a single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: I don't have any other specifications.

ASSISTANT: May I know your good name please?

USER: Myself Susan King.

ASSISTANT: Spirit airlines is providing a single connected flight with ticket fare of 200, shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1005, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.