You may want to delete that last screenshot as it has all your personal information on it.

As far as the times go, what matters is the actual pickup and return times--not the reserved times. If you didn't cross over into a new day, then you should not have paid for an additional two hours.

It looks like you checked out the car at 15:44 on 2/22 so if you returned it by 15:44 on 3/2, you should not have been charged for any extra time.

If you agreed to the prepaid fuel by signing the contract, they may try to hold you to that (it's their word against yours and they have your signature), but if you did return the car with a full tank of gas, stick to your guns and press to have it removed.