You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you today?

USER: I am planning to visit Washington, can you please help me in booking my flight ticket from DTW to IAD?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable journey dates are Oct 30 and Nov 01.

ASSISTANT: May I know your name for further process?

USER: My name is Alexander Robinson.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any another specifications?

USER: No, thanks for asking.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: That's ok for me. Please reserve my ticket in this flight.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1002.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome Alexander Robinson.