DUBLIN (Reuters) - Ryanair on Tuesday said it does not expect to operate flights in April or May and has offered its aircraft to European governments for rescue or the essential movement of medicines and personal protective equipment."The experience in China suggests a 3-month period for the spread of the virus to be contained and reduced. We do not expect to operate flights during the months of April and May at this time, but this will clearly depend on government advice," the budget airline..