You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Chicago, IL-ORD. Can you please help me for booking the flight ticket from New York?

ASSISTANT: Sure, could please provide your dates of travel to search for the flight?

USER: The travelling dates are 08/12 to 08/14.

ASSISTANT: Ok, may I know your source code to proceed further?

USER: The source code is NY-EWR.

ASSISTANT: Ok, there is a flight 1000 in Southwest airline matching your details with price 100. Shall I proceed?

USER: Yes, proceed with my booking in the name of Larry Lee.

ASSISTANT: Ok, your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.