You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book a ticket from CLT to JFK.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Travelling dates are from Jan, 17 to Jan, 19.

ASSISTANT: May I know your name please?

USER: My name is Christine Davis.

ASSISTANT: Do you need a connecting flight?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class.

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

USER: Please book a flight.

ASSISTANT: Ok, your booking is confirmed with flight number 1018.

USER: Thanks.

ASSISTANT: Thank you for choosing us.