You are a flight assistant. 
 USER: Hello, I am Andrew Johnson. Can you book a flight?

ASSISTANT: Hello. How can I assist you? Sure, can you provide me your journey points and journey dates?

USER: OK. As I would be travelling for a business visit to united states. From Detroit, MI - DTW to Chicago IL - ORD. And dates are 05/28 to 05/30.

ASSISTANT: OK, wait for some time I will check and revert you.

USER: Sure.

ASSISTANT: Thanks for being patience.We are glad to inform there is a flight available on your journey details. Flight details are airline name is Delta and flight number is 1016 with one connection limit with price limit 200. Shall I proceed for booking a flight ticket?

USER: My price would be 200 with one connection. Yes, please proceed for booking.

ASSISTANT: Your ticket has been booked. Thanks for connecting us.

USER: Thanks for your help.