You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help do you need from us?

USER: I am planning to visit a Treasure Island Hotel and Casino in Las Vegas. Can you find a ticket for me?

ASSISTANT: Yes, you are in right place for booking. Will you please provide your trip dates?

USER: Sure, my travelling dates are 09/19 to 09/21.

ASSISTANT: May I know your airport codes to find the flights on your route?

USER: Ok, my origin airport is ORD and the destination code is LAS.

ASSISTANT: May I know your name for ticket reservation?

USER: Yes, I am Michael Campbell here.

ASSISTANT: Please wait for a moment.

USER: Ok, make sure that the connection limit is 1.

ASSISTANT: Thank you for you patience. There is a flight-1010 available in AA airlines, can I proceed your ticket reservation?

USER: Yes, proceed with the booking please.

ASSISTANT: Ok, your ticket is confirmed on your requested dates.

USER: Thank you for your valuable time.

ASSISTANT: Have a great journey and keep contacting us in future.