By Chris Dorrell Strong demand for cruise holidays has helped Saga get off to a good start to the year, compensating for weakness in its insurance business. Saga, the UK’s specialist in products and services for people over 50, said its river and ocean cruise businesses have had an “exceptional start to the year” with booked load factors ahead of last year, at 83 per cent for ocean cruises and 78 per cent for river. Travel bookings are also ahead of the prior year, with booked revenue 14 per cent up, on a higher number of passengers. Despite the strength in travel, the firm said market conditi…