A new process is being introduced for entry into NZ in this "Covid" world.

Idea is that you will have a voucher in advance to confirm your arrival and entitlement to a spot at an isolation facility. Aim appears to be intended to help manage isolation beds.

No, you can't 'book' or even indicate a preference for a specific hotel.

Don't panic, but do read up about it here:

https://www.miq.govt.nz/travel-to-ne...ged-isolation/