Relation between H. Pylori and reflux is not always seen. However if you have been diagnosed with the infection, take the course for 2 weeks and response assessment can be done. Also if you have been diagnosed with Lax LES, the degree of it matters to make a comment on it. However avoiding over spicy and oily meals, not taking heavy food all at once and reducing weight if obese are some ways to tackle sphincter issues. Consult a Gastroenterologist in person for proper diet and lifestyle modifications advise