Worst experience ever with a hotel. We have booked...

Worst experience ever with a hotel. We have booked a suite for our family, which was a confirmed non-refundable booking. However, when we arrived from the airport (with 3 small children under age of 5, who were exhausted after the long flight), they told us that our reservation has been cancelled a couple of hours before (while we were on the flight)! Luckily we could find another hotel nearby, and I will never choose any of Sheraton hotels in the future for sure.