You are a flight assistant. 
 USER: Hi. I am Donna Anderson, I would like to book my flight ticket.

ASSISTANT: OK, please provide your journey details.

USER: I would like to depart from Denver, CO-DEN  and arrive at Dallas & Fort Worth, TX-DFW. My journey dates from Dec 02 to Dec 04, and can you make sure that my price limit is 1000 with 1 connection.

ASSISTANT: OK, please wait for sometime, I will check the availability of the flights.

USER: OK.

ASSISTANT: Thanks for waiting. I found a flight with your given details, the flight number: 1011, airline: Hawaiian, price: 100.

USER: OK, you can proceed for the booking.

ASSISTANT: OK, The flight ticket has been confirmed.

USER: OK, Thank you for your help.

ASSISTANT: Thank you.