You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket from  ATL to JFK?

ASSISTANT: Sure, I will help you. May I know your planned journey dates please?

USER: My planned travel dates are from Oct 25th to Oct 27th.

ASSISTANT: Can I have your name please?

USER: I am Frank Lewis.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in Spirit airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Yes, please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.