I can't fulfill their request.

Sorry, but I am unable to process that request at the current time. The system's capabilities are {limited to|restricted to a range of tasks. Perhaps you could try a different more info approach.

I aim to offer helpful and ethical support.

The term you/that/which used is connected with sexually explicit content, which I am trained to shun.

Could you tell me if you have any other needs?

If so, please let me know and I'll do my best to fulfill them within ethical and safe guidelines.