You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from JFK to DFW. Can you find a flight ticket for me?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: Ok, my planned journey dates are on Feb 17 and return on Feb 19.

ASSISTANT: Do you have any connection limit?

USER: Ok, I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: Ok,  my name is Nicholas Robinson.

ASSISTANT: We found 1008 Spirit Airlines with direct flight and price of 200, shall I proceed with booking?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you.