My original flight from cun-lgw was oversold and I was given a ticket for the next day for cun-miami-lhr (and some $$ and a hotel etc). When I went to check in the next day for the cun-miami flight the ticket I was given wasn't accepted because it was a paper ticket. I was told that there was no way that jetblue would let me on the flight and virgin should never have given me that ticket. They said you will have to speak to virgin 3 days later on Tuesday. The only option I had was to purchase a ticket myself. The agent in cancun said that this is completely unacceptable and that virgin would refund my ticket and give me compensation.
I'm looking for the compensation for the fact they gave me a ticket that wasn't valid and if I hadn't bought the ticket I would have been stuck in Mexico for 3 days. I am okay with the original bumping (and the way that was dealt with) but not the incident with them giving me an invalid ticket.

I know it sounds a bit confusing, I hope I've made the situation sound clearer.