You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Mark Lopez. I am planning to attend music concert at MSP, can you please help me with booking a flight ticket from DTW?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I would like to take off on 02/12 and return back on 02/14.

ASSISTANT: Please wait a while.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1005 with Spirit airlines.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.