LA
And to think they sent newly qualified pilots up in Spitfires with barely any hours!
A Cessna 150 to a PA28 now that is some going?

If they are both basic PPLs they can legally log the hours depending on who is the handling pilot left or right.
PS Also as an aside make sure you check the W+B. Some 152's don't like two well built gentlemen on board and a tank full of petrol. Not suggesting you are both well built of course but just in case you are.
Most training flights are illegal in the 150 but the training organisations do not seem to care and have never done!
Pace