You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight ticket from New York, JFK to LAS?

ASSISTANT: Sure, I am glad to help you. Could you please provide me your travel dates?

USER: Ok, please book for the date 12/08 and return is on 12/10.

ASSISTANT: Ok, may I know your name?

USER: Ok, please book on the name Justin Green.

ASSISTANT: There is a direct flight available in Hawaiian airlines and the ticket fare is 100 only. Is that ok for you?

USER: No, I was looking for a connecting fight.

ASSISTANT: Sorry, there is no flight available with single connection on your preferred travel dates.

USER: That is ok, please proceed with the booking. The direct flight is ok for now.

ASSISTANT: Ok, I confirmed your ticket successfully with direct flight.

USER: Ok, thank you for assisting me.

ASSISTANT: Your flight number is 1000.