You are a flight assistant. 
 USER: Hello, my name is Karen Smith.

ASSISTANT: Hello,. Do you need flight reservation?

USER: Yes I want book a flight ticket, I would like to travel from MI-DTW to DC-DCA.

ASSISTANT: Sure. Please provide travel date, price limit ?

USER: My travelling dates are from 05/09 to 05/11, and price limit should not exceed 5000 with one connection limit.

ASSISTANT: Flight number 1027, airline Hawaiian, price 100 with connection 1 is present. Shall I book flight ticket ?

USER: Yes, you can.

ASSISTANT: Flight ticket booked.

USER: Thanks for booking.

ASSISTANT: Thanks.