Wald makes some nice inexpensive touring bars I have used on conversions just make sure your current stem clamp diameter and the bars are compatible
https://cambriabike.com/products/wal...gaArZ8EALw_wcB
And Velo orange has some inexpensive brake levers to work on this type of bars
https://velo-orange.com/collections/...-brakes-levers
If you have a Bike Co-op near you they can also be a source of this type of component for not a ton of $$