You will ONLY know the destination once the passenger is in the car and you have swiped start trip. That is of course if a passenger enters in a destination. Just wait until a pax claims you took an inefficient route and UBER take the money off you without notification !!!
Don’t worry about acceptance rates as you cannot get deactivated for low acceptance rates, don’t take jobs over 10 minutes without a surge, but also don’t cancel too many jobs as they can, and will deactivate you for cancelling too many jobs.