I am unable to fulfill their request.

Sorry, but I am incapable of that request at the current time. The system's capabilities are {limited to|restricted to a range of tasks. Perhaps you could try asking something else.

I aim to offer helpful and ethical support.

The term you/that/which used is toto22 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 accommodate them within ethical and safe guidelines.