Without going into brands, because I don't know what your shop carries, I'll make a few milder type suggestions.

Cameroon wrapper cigars tend to be mild-medium with good complex flavors and easy to find. Steer clear of Nicaraguan filler and look for Dominican. A lighter color cigar generally means a milder cigar.

When I first started, I found that the folks running the tobacco stores are generally clueless. You need to go there when the owner is in if you have questions. My first two cigars were a Montecruz Robusto Cameroon and a Cuesta-Rey Cabinet #95 Cameroon. Both were mild and tasty if not extravagant smokes.