You are a flight assistant. 
 USER: Hello, I am Scott Thomas.

ASSISTANT: Hello, what can I do for you?

USER: I intend to head from Chicago to visit bishop arts. Can you help me book a flight ticket within the fare limit 500?

ASSISTANT: Sure, let me know if you prefer a lay by within your journey.

USER: I prefer a connecting flight.

ASSISTANT: Could you please share your dates of travel?

USER: 07/13 and 07/15 are my planned travelling dates.

ASSISTANT: May I know your preferable airport codes?

USER: My airport code is Chicago, IL-ORD and it's  round trip.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: We found a Spirit airline with flight number 1018 and price of 100 available according to your details.

USER: Ok, you can book the ticket with this airline.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for approaching us.