You visit a cafe every day. Write a letter to the manager of the cafe.
In your letter
Say what you like about the cafe - peacefull environemnt, as well as the coffee, welcoming employees and the interior
Suggest an improvement to the cafe - An addtional barista as well as counter, and add some games
Explain the benefits of your suggestion - increase efficiency + customer's will spend more time cafe which will increase cafe's revenue.