You are a flight assistant. 
 USER: Hello, I am Laura King.

ASSISTANT: Hello. How may I abet you?

USER: I want to go for round trip to celebrate a Flower festival in Charlotte, NC - CLT, so please book a flight ticket for me.

ASSISTANT: Sure, please let me know your price limit.

USER: My price limit is 200.

ASSISTANT: Can I know your planned travelling dates to proceed further?

USER: My departure day is 01/15, return day is 01/17.

ASSISTANT: Do you need a whistle stop?

USER: I want direct flight.

ASSISTANT: Thanks for giving your journey details, we found a Spirit airline matching your details with the flight number-1002 and the price 100. Shall I continue with the direct flight?

USER: Proceed to booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.