The most boring solution possible

If they had to create a booking system for phone booths, most people would use a tech-based solution.

But why? For it you need to:

• Teach everyone how to book a slot;

• Add people to the booking platform (e.g. Google Calendar);

• Open an app every time you want to see if the booth is free.

Thinking creatively would give you a much better solution though. For example, why not book the room by writing down your name on the door?