I have a dishwasher hook-up with the 3/8 hose coming off the diswasher it self then it goes to a 1/2 inch for my water but everyplace I look they are 3/8 from the dishwasher then a 3/8

for the water.Where can I get a 3/8 1/2 hook up?The 1/2 going to my water supply in my crawl space. Thanks for any information.

Terry