"have been booked" is correct and usable in written English. You can use it to express that reservations have been made for some purpose, especially when talking about travel or reservations for a restaurant. For example, "We have been booked on a flight to Paris for next week.".
Airbnb recently announced that 10 million nights have been booked, while Facebook-connected guests in particular make 85percentt more bookings on average.
So far, no losses have been booked.
Two sessions have been booked out.
He should have been booked for that.
HOTEL rooms have been booked for the extra-long weekend.
If it wasn't a friendly, he would have been booked.
Both of us could have been booked to be honest.
Awesome tool! I started using it one year ago and I never had to look for another app
Ha Thuy Vy
MA of Applied Linguistic, Maquarie University, Australia