You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Justin Thomas. I want to book a flight ticket to visit Natural Bridge Caverns in Las Vegas, LAS. Can you please help me in booking from New York, EWR?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My journey dates on 03/28 to 03/30. I need a connected fight. Price should be under 200.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight with Frontier airlines, flight number is 1004 with one connection and price is 100.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.