You are a flight assistant. 
 USER: Hello. Catherine Green here.

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

USER: I want to travel from Chicago, IL-ORD on 03/16. Can you please help me for booking the flight ticket?

ASSISTANT: Yes,  I will assist you. Can you please provide me your destination code and the return date?

USER: My return journey is on 03/18 and from NV-LAS.

ASSISTANT: Ok, I found a flight in this route, the flight airlines is AA with connection limit 1 and the price limit is 100. Can I proceed with booking?

USER: Please proceed for booking the ticket.

ASSISTANT: I have reserved your ticket with the flight number 1009.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching our services.