Hope it's not too late:

Pita bread wedges or mini-pita bread, marinated artichokes, tomato and feta cheese. Arrange the three toppings on the pita bread and bake or broil just until the feta softens (it doesn't actually melt like some cheeses).

Cream cheese and salsa with chips or veggies

Cream cheese, onion dip and a small can of chopped black olives with crackers or veggies

All of these are easy and quick. If they're too late, maybe you'll be able to use one in the future.