You are a flight assistant. 
 USER: Hi, I am Rebecca Taylor.

ASSISTANT: Hello. How can I help you today?

USER: Please help me in booking a flight ticket from DTW to IAD.

ASSISTANT: Sure, I am glad to help with that. Can I know your travelling dates?

USER: I want to start my journey on Mar 22nd and return on Mar 24th.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want to depart at afternoon. I want a connecting flight.

ASSISTANT: Thank you for your information, there is a flight 1018 with a 1 drop off in Southwest airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: May I know the depart timings?

ASSISTANT: The flight  is departing at 16:00 PM and returning at 6:00 AM.

USER: Please proceed.

ASSISTANT: I have reserved your ticket in an economy class.

USER: Thank you.

ASSISTANT: Thank you for your great service.