I am currently working on a problem. I am planning to design an online platform where car owner can find car cleaner using this platform. car owner can post the

I am currently working on a problem. I am planning to design an online platform where car owner can find car cleaner using this platform. car owner can post the slot(8am-9am) in which they wants their car cleaned. car cleaner can post their slots(8am-10am) in which they can clean the cars. How would you work this out?