You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you now?

USER: I am Scott Martinez, I need a flight with one connection to attend a music concert with my friend.

ASSISTANT: Ok.

USER: I need a flight under price of 200.

ASSISTANT: Let me know your date of journey.

USER: I will travel on 04/17 and return on 04/19.

ASSISTANT: May I know your airport codes?

USER: My source is MA-BOS and destination is MI-DTW.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Ok. You have 1020 flight with UA airline of price 200 with direct connection.

USER: Sorry, I need a flight with one connection.

ASSISTANT: No, we do not have connected flights.

USER: Thank you for the information.

ASSISTANT: Thank you for connecting us.