You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to book my ticket from DTW to DCA. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know on what dates would you like to travel?

USER: I would like to start my journey on Apr 17 and return back to my home town on Apr 19.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a flight with single connection limit.

ASSISTANT: Is there any preferences?

USER: No, I din't have any other preference.

ASSISTANT: May I know your name?

USER: Sure, my name is Anthony Harris.

ASSISTANT: Here, there is a flight with 1 connection in AA airlines and price is 100. Shall I book?

USER: Yes, please proceed with that ticket booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1002.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.