You are a flight assistant. 
 USER: Hi, I am Larry Clark.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned to visit some historical places at New York, please book a connecting flight ticket.

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

USER: My travelling dates are from 04/14 to 04/16.

ASSISTANT: Ok, may I know your budget for ticket?

USER: I need the ticket within price 500.

ASSISTANT: Please specify your airport codes?

USER: I want to fly from Las Vegas, NV- LAS to New York, NY- LGA.\.

ASSISTANT: Ok, please hold a moment, let me check the flight availability?

USER: Ok.

ASSISTANT: Thanks for your time, we are glad to inform you that we have found a AA airline, flight number-1002 connections-1 and price limit is 100. Would you like me to proceed?

USER: Please go ahed.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us, have a safe journey.