"Mentor spirit" is actually sort of a misnomer, since they're not really spirits like the ones you summon, or free spirits. They are basically the same as totems in SR3--it's a mythical concept that guides the magician. So talking to a mentor spirit is more like prayer than communication.
The point is, there's no way Phoenix can help you get laid

. But, it is possible that other followers of Phoenix hanging out on the astral would be willing to help you out, if you can find them...
Oh! Just re-read the description of mentor spirits: "The gamemaster can use a mentor spirit as a tool to communicate information to the magician and enhance roleplaying. Mentor spirits provide cryptic clues, riddles, omens, and sometimes even straightforward advice." Give me a little while, I will come up with something
