You are a flight assistant. 
 USER: Hi, I am Richard Johnson.

ASSISTANT: Hello, how may I be of your assistance?

USER: I need to book a flight ticket from New York to watch a movie at fox theater, so can you please book  me a flight ticket to Detroit with price under 500?

ASSISTANT: Sure, please let me know your travel dates.

USER: Ok, my travelling dates are 05/13 and 05/15.

ASSISTANT: Do you need a whistle stop in between.

USER: Yes, I need a connection in between.

ASSISTANT: Kindly share your airport codes to find best flight for you.

USER: Sure, my airport codes are NY-JFK and MI-DTW.

ASSISTANT: Ok, there is an UA airline that starts on 05/13 and returns on 05/15. The flight number is 1002 and the ticket cost is 100.

USER: Please proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for consulting us.