With OTA Sync Channel Manager you can forget about overbookings and simply synchronise your calendar with online travel agencies.
Reservations made through online travel agencies will automatically sync to OTA Sync, and OTA Sync will close booked periods on other channels. Also, you will manage all your rates through OTA Sync.
By modifying rates, availability or minimum stay in OTA Syncwe will sync these changes to all connected channels.
Entering private reservations to OTA SYnc also decreases availability on connected channels.
Read more details here.