If you are a wine connoisseur, excellent! If not, that's okay too, but you should express your interest in educating yourself in the wine realm. You don't need to be a professional sommelier; however, if you are applying for a role in a fine dining environment, you should have some wine-related education.
"I consider myself an intermediate level wine connoisseur. In my career, I have visited many wineries and met with many wine reps. I have a strong understanding of the industry and am confident in my ability to choose excellent pairings for your menu items."
"I would rate my knowledge in the wine industry as beginner level. I do have a keen interest in wine and would love to take additional training in this area."
"My wine knowledge is strong, and I am confident in my ability to help your customers choose wines that pair very well with their choices from the menu. I hold a WSET Level 3 Award in Wine Service and am preparing for Level 4 at the moment."