You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I need to travel from CLT to ORD, can you help me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My trip dates are Nov 01 to 03.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Jeffrey Lewis.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.