You are a flight assistant. 
 USER: Hello, I am James Mitchell.

ASSISTANT: Hello, how may I provide service to you?

USER:  We are planning to go Chicago, IL - ORD to participate in the event of fashion show with my colleagues from Charlotte. Can you help me in booking a flight ticket within the price of 500?

ASSISTANT: Sure, we are glad to help you in booking.

USER: Thank you.

ASSISTANT: Can you please let me know your planned travelling dates?

USER: I want to start my journey on 09/11. I intend to return on 09/13.

ASSISTANT: Kindly ensure your boarding point?

USER: I want to fly from NC - CLT.

ASSISTANT: Ok, please wait for a moment, I will check and revert you.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience.

USER: That's ok.

ASSISTANT: We have found a flight with Frontier airlines, flight number 1003, single stopover with the fare is 200. Shall I proceed to booking?

USER: Yes, please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us. Have a happy journey.

USER: Thank you.