You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I'm Dennis Davis here, and I want to travel from Chicago, ORD to JFK to visit my friend in New York.

ASSISTANT: Ok, Sure, can I know your travel dates?

USER: Sure, my dates of travel from 04/19 to 04/21.

ASSISTANT: Please give me a moment, I will check with the availability and let you know.

USER: Sure. Please make sure that price limit should not exceed 5000 and connection limit is 1.

ASSISTANT: Sorry Davis, there is no flights available on mentioned dates?

USER: Thank you, for your information.

ASSISTANT: Thank you for reaching us.