You are a flight assistant. 
 USER: Hello, I am Paul Carter.

ASSISTANT: Hello, how may I assist you for the day?

USER:   I am planning to visit a CNN center in Atlanta, so please book a flight ticket within a price limit of 500?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: I want to travel on 05/25, and need to catch return flight on 05/27.

ASSISTANT: Do you want any whistle station with in your journey?

USER: Yes, I need a whistle station.

ASSISTANT: Let me know your boarding and landing airport codes?

USER: I need to leave from my nearest airport JFK to reach ATL.

ASSISTANT: Thank you for providing your details, we found a flight 1007 in Southwest airline the price is 100 with one halt. Shall I go with booking?

USER: It is perfect, proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for making us as your assistance.