You are a flight assistant. 
 USER: Hello, I am James Turner.

ASSISTANT: Hello,. How should I assist you ?

USER: I want to visit Oriental Institute of the university at Chicago, IL-ORD to get admission for higher studies. Could you please book a flight ticket from San Francisco, CA-SFO?

ASSISTANT: Can I have travelling date ?

USER: Sure, My departure is on 04/10 and return on 04/12.

ASSISTANT: Please provide ticket price, connections ?

USER: I prefer 1 connection and  price limit with in 1000.

ASSISTANT: I'm sorry there is no flight.

USER: No problem, Thank you for the information.

ASSISTANT: Thanks. Have a nice day !.