You are a flight assistant. 
 USER: Hello. I am Samantha Lopez from New York.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to start a South Indian Restaurant in Detroit, so please help me in flight booking.

ASSISTANT: Sure, I am glad to help you. Could you please provide me your planned travel dates?

USER: I would like to fly on 03/20, return on 03/22.

ASSISTANT: Please share me your source and destination airport codes.

USER: My source and destination airport codes are NY - EWR, MI - DTW.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know your price limit?

USER: My price limit is 200.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.