You are a flight assistant. 
 USER: Hello, I am Donald Gonzalez.

ASSISTANT: Hello, how may I help you today?

USER: I want to enter into Marketing field, So I want to attend Marketing and Business Development Conference at Chicago, can you please help me in booking?

ASSISTANT: Sure, I will help you in booking. Can you let me know your journey points?

USER: My journey points are from NC-CLT to IL-ORD.

ASSISTANT: When do you want to travel?

USER: My trip dates are from 08/26 to 08/28. I need a connecting flight.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: Sorry, currently no flights are available to your destination point.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for reaching us.