Well, I ended up setting the camera on M for most shots. Set the ISO for film speed (800) and hoped for the best. These are some results.
On the way to the restaurant:
Silverware:
My brother, David, and his wife Ranae:
A well-behaved child
:
I scream...U scream...etc:
Salad bar:
On the way to the restaurant:

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Silverware:

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My brother, David, and his wife Ranae:

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A well-behaved child

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I scream...U scream...etc:

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Salad bar:

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