You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephen Young.

ASSISTANT: How can I assist you at this moment?

USER: I want to book a flight ticket from NY-JFK to IL-ORD. Can you help me?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: 09/12 and 09/14 are my travelling dates.

ASSISTANT: Do you have any price limit for this trip?

USER: 1000 is my fare.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: There is a service with AA airlines matching your preferences of connecting flight and ticket fare of 100, shall I book your ticket?

USER: You can reserve it.

ASSISTANT: Stephen Young, your ticket is reserved in flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you and have a safe journey.