When a flight is cancelled, the operating airline 'ryanair' must give you
* a choice of either refund of your ticket with a free flight back to your initial point of departure or alternative transport, and
* meals, refreshments and hotel accommodation when necessary (including transfers) and communication facilities.
If Ryanair does not fulfil their obligations, then you should complain to the relevant national enforcement body, If the flight departs from a EU country, complain there. If you were travelling from outside the EU, complain in the EU country where it lands.
If the airline does not deal with the problem then download your Air Passenger Rights
http://europa.eu.int/comm/transport/...s/index_en.htm.
it may be easier & quicker to email ryanair rather than writing.
Hope this helps