If you’ve booked through a travel company, you should check with them. ABTA (Association of British Travel Agents) and ATOL (Air Travel Organiser’s Licence) usually only cover disruptions to package holidays, although some ABTA members may have protection for their accommodation-only bookings.
Some flight-only purchases might be covered by the ATOL protection scheme, but not if they’ve been booked directly through the airline.
With the right business travel insurance policy, you’ll have the peace of mind that you’re covered for everything you need.