There are many threads here in the forum that speak to the foods that work and do not work for the members as each person is different.
The best diet to follow, IMHO, is one that includes the recommended daily allowances of cereals, vegetables, fruits, dairy products and meats. Eat small, frequent meals. Consume milk and dairy products only three times per day. These should be fat-free or low-fat to reduce stomach acid. Whole grains and breads made from low-fat products are easy on the stomach. They can be eaten often throughout the day. Some grains, such as saltine crackers, can help to settle the stomach and lower the acid content.
Foods that irritate the stomach will cause inflammation, which will trigger acid production or reflux. Limit any food that could cause heartburn. Avoid greasy, fried foods and foods that are very spicy, as well as alcohol. Stay away from gas-producing edibles such as cooked dried beans, broccoli, cabbage, onions, whole milk and some fruits. Too much gas in the stomach will cause pressure and bloating. Other things that may aggravate your symptoms are orange juice, lemons, lemonade, grapefruit juice, cranberry juice, tomatoes, coffee, tea and other caffeinated or carbonated drinks.
I hope this gives you someplace to start and I know other members will be chiming in with ideas for you.