You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Please book a ticket from Washington to Detroit. DC-DCA - MI-DTW.

ASSISTANT: Sure, May I know your name and travelling dates?

USER: My name is Angela White. 08/27 - 08/29.

ASSISTANT: Thank you, Please wait I will check and get you back. Thank you for waiting, We found a flight with 2 connections in between the journey. Shall I proceed for booking?

USER: I need a flight with connection 1 and price 200.

ASSISTANT: Sorry, we did not find a flight with single connection. Thank you for choosing us, Have a nice day.

USER: Thanks.