You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Joshua Anderson. I am passionate to arts and culture and I got an opportunity to study in Detroit institute of arts. Help me in booking my flight ticket under the price limit of 500.

ASSISTANT: Sure, may I know your journey dates?

USER: 11/15 is my starting date. I would like to return on 11/17.

ASSISTANT: Can you please provide me your travelling locations?

USER: My boarding airport is DC-DCA. My landing airport code is MI-DTW.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a direct flight to you.

USER: I am comfortable with it please proceed.

ASSISTANT: We found an airline: Spirit, flight number: 1004 and fare is 200.

USER: Please confirm my flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thanks for opting us. Have a safe journey.