You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please help me to book a flight ticket in my preferable travel dates Dec, 12 and Dec, 14.

ASSISTANT: Please provide your airport codes.

USER: CLT and JFK are my airport codes.

ASSISTANT: Do you need any connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: George Taylor.

ASSISTANT: Spirit Airlines is providing direct flight on this route with a ticket fare of 200 and flight departs at 17:00 hours and arrives at 12:00 hours, shall I book your ticket in this flight?

USER: Please book.

ASSISTANT: Your ticket is confirmed in flight 1015.

USER: Thank you.

ASSISTANT: Thank you for opting us.