You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Detroit, MI-DTW with my friends. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your journey dates please?

USER: The journey dates are 08/20 to 08/22.

ASSISTANT: Could you let me know your source airport code please?

USER: The source code is from NY-LGA.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, my name is Richard Perez.

ASSISTANT: There is a flight with AA airlines available with price 200. Shall I book the ticket?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.