You are a flight assistant. 
 USER: Hello, I am Melissa Collins.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight ticket with single connection.Can you help me for booking a flight ticket please?

ASSISTANT: Sure, we are glad to help you. May I know your travelling dates and price limit, please?

USER: I would like to price limit fair of 5000 and source point is TX-DFW and destination point is NY-JFK. My departure date on 07/30 and return date on 08/01.

ASSISTANT: Thank you, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we have a flight matching with your requirements. The flight details are Spirit airline of flight number 1015. The fare is 200 with 1 connection. Shall I book a ticket in this airline?

USER: You can proceed for booking a flight ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your great information.

ASSISTANT: Thank you, have a safe journey.