Can He Politely Ask for No-Recip Oral?

Savage Love Letter of the Dayby Dan Savage
I’m a highly sexual man using a dating site, and received a message from a woman that suggests she finds me sexually attractive. (The message was this: “Mm yum.”) I actually enjoy receiving messages like this. But I do not find this particular woman attractive. Not in the least. However, I am willing to be serviced by her, if she is enthusiastic about it.
Is there a polite or thoughtful way to tell someone who finds you sexually attrac