NSP
LE
Or he could tell her he's booked a table for a nice Italian meal and then take her to Pizza Hut.Next time you'll know, so tell her you're taking her out for dinner, let her go through all the faff.
Then, when you return home with a collection of keep-warm boxes from you're local takeaway, point out you'd said you would take her out, but that nothing had been said about not coming home with dinner.
From experience , an indeterminate radio silence will ensue.