Which mission is good for four people even if they play one ship each?

P.S. they are mostly beginners.

If you look up my mission satellite control on mission control, that might work. You could make it a 2v2, or FFA if you fiddle with the win condition a little

I see two of them? They look the same or close.

Any suggested builds?

I'd say almost anything is good. Just make sure that you don't have a situation where one side has 1-2 ships and the other has like 8. Ship number can be important in this scenario. Use the Satellite control that is not for the squadron commander campaign system. It should simply be titled 'satellite control'.