Booking Assignement - Display the Occupancy for the Next 7 Days

I've been doing the Web Development guided path, and i'm trying to do Step 4 of Assignment 12 of the Booking Assignment, which asks us to create a chart to display he occupancy rate based on the bookings and the total amount of rooms.

But i'm unsure of the path to take to perform what is asked, can someone guide me through it a bit? I've attached the guide i'm following. 

Thanks in advance

Hello João,

What exactly is that you're struggling with? (e.g., How to show the date range?)

Best regards,

Rafael Valente