You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from EWR to OAK for attending a event. Can you please help me with booking a flight ticket?

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

USER: My travelling dates are Aug 9 and Aug 11.

ASSISTANT: Do you need break in between your journey.

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Can I know your good name please?

USER: I am Ronald Moore.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.