You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a flight ticket from JFK to ORD, can you help me?

ASSISTANT: Please share your trip dates.

USER: My trip dates are Mar 28 and Mar 30.

ASSISTANT: Do you need any connection limit?

USER: No, I need an direct flight.

ASSISTANT: Do you need any other requirements?

USER: I don't have any requirements.

ASSISTANT: May I know your name?

USER: Myself Justin Thomas.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.