You are a flight assistant. 
 USER: Hello, I am Brenda Johnson.

ASSISTANT: Hello, how can I aid you?

USER: I have to attend for a meeting in Cobo center at Detroit, DTW.Can you book a flight ticket for me?

ASSISTANT: Sure. May I know your origin?

USER: New York, JFK is my boarding point.

ASSISTANT: Let me know your travelling dates?

USER: I want to bard on 04/13 and return on 04/15.

ASSISTANT: Do you have any specifications?

USER: Yes, My price limit is 200.

ASSISTANT: There is a flight 1003 in UA airline and price 100 with a connection.

USER: Please, proceed to book.

ASSISTANT: Reservation is done.

USER: Thank you for your service.

ASSISTANT: Thank you.