You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: Myself Barbara Wilson. Could you aid me in booking a direct flight to New York, JFK?

ASSISTANT: Sure, may I know your journey dates?

USER: From 09/17 to 09/19, I have to travel.

ASSISTANT: Ok, can you please share me your source point?

USER: Charlotte, CLT is my origin point.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight on your dates.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for consulting us.