Originally Posted by lavajava

Hi OP,
I just called Avis as I needed to add my preferred number to a booking made with Avios.com/Voucher. I spoke to someone helpful in customer service and thought I would ask your question as a theoretical one, for my LA booking. The lady explained that they should not really fully cancel a booking but some stations have been known to do this, and if they did and set out a new agreement that they would refund any additional charges.. Customer Service: 0808 284 6666