The translation is: sit at a table. There is no need to make a reservation. Put your elbows on the table. Put a napkin on top of your legs.
So the answer would be: Sentare en la mesa. Poner la servilleta sobre las piernas.
This is what you would normally do at a restaurant, hope this helps!
A. open..The closest word to 'O' sounding in spanish is open
