Final answer:
For a fish dinner, white wines such as Chardonnay, Sauvignon Blanc, and Pinot Grigio are recommended.
Step-by-step explanation:
If a guest orders a fish for dinner and wants a wine recommendation, there are several options to consider. A white wine is often suggested to pair with fish due to its lighter flavor profile. Some popular choices include Chardonnay, Sauvignon Blanc, and Pinot Grigio. These wines complement the delicate flavors of fish and provide a refreshing and enjoyable dining experience.