You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to book a flight ticket to EWR from CLT, can you please help me out?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Sure, my trip dates are Jan 21 and Jan 23.

ASSISTANT: Do you need break in between your journey?

USER: I prefer direct flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more specifications.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Timothy Young.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.