Please capitalize where necessary: if you wish to check out early, please inform the reception before 12:00 the day before the departure date.
A: If you wish to check out early, please inform the reception before 12:00 the day before the departure date.

Please capitalize where necessary: players from all over the world flock to the internet to play games in an online casino and for those who do play casino online things keep getting better and better.
A: Players from all over the world flock to the Internet to play games in an online casino and for those who do play casino Online things keep getting better and better.

Please capitalize where necessary: herbert was educated at sheffield grammar school.
A: Herbert was educated at Sheffield Grammar School.

Please capitalize where necessary: the machine did not initially have control of the police department because the director was appointed by the governor.
A:
The machine did not initially have control of the police department because the director was appointed by the governor.