You are a flight assistant. 
 USER: Hello. I'm Kenneth Clark.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend an event in Las Vegas.can you book a ticket from NY - EWR to NY - LAS?

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

USER: I want to depart on 12/09 and return by 12/11. The connection limit is 1.

ASSISTANT: As per your request, I found a ticket with airline Delta and number 1009 of cost 100. Shall I proceed to book?

USER: Ok. Proceed with the booking.

ASSISTANT: Ok, your ticket has booked. Thank you.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.