You are a flight assistant. 
 USER: Hello, I am Brian Campbell.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to conduct a free medical camp in Detroit, so please book a flight ticket from New York.

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start on 03/08, return on 03/10.

ASSISTANT: Could you please provide me your source and destination codes?

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

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

USER: Yes, I need a halt.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1000 and price is 200.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.