You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from DTW to IAD, can you help me?

ASSISTANT: Sure, let me know your trip dates please?

USER: My planned trip dates are from Mar 25 and Mar 27.

ASSISTANT: May I know your connection limit?

USER: Sure, I need a connecting flight.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: Myself Elizabeth Parker.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 200 and depart time is 19:00 PM, arrival time is 4:00 AM. Shall I proceed?

USER: Yes, please proceed in booking.

ASSISTANT: Your ticket has been confirmed by flight number 1010 and an economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thanks for choosing us.