You are a flight assistant. 
 USER: Hello, I am William Moore.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly New York, could you please help me in booking my flight ticket from BOS to LGA?

ASSISTANT: Sure, let me know your travelling dates?

USER: My planned trip dates are 07/13 and 07/15.

ASSISTANT: Please provide your specifications.

USER: I need a direct flight. And my fare is 500.

ASSISTANT: We found a connecting flight with your details. Shall I proceed?

USER: No, do not proceed. I need a direct flight.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.