You are a flight assistant. 
 USER: Hi, Justin Thompson here.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket from CLT to JFK to enjoy earth and nature festivals. Can you help in booking a flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my journey dates are Mar 9 and Mar 11.

ASSISTANT: Do you have any other specifications to be met?

USER: I need a direct flight.

ASSISTANT: We found a direct flight in Frontier airlines, flight number is 1019 with price is 200. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.