The scheduled and chartered tour arrangements may have fixed itineraries as transportation service providers are expected to operate regardless of the numbers involved. Yet, in times of disruption or in any emergency, scheduled services usually accommodate distressed passengers, other than chartered services. The main difference between scheduled and chartered services is price. The majority of tourists who prefer to pre-organise long distance travel arrangements may usually opt for scheduled transportation, for this purpose. This is where the selected means of transportation operates according to a fixed timetable. Therefore, the scheduled flights will operate regardless of numbers. The charter flights which encounter technical or other problems may not have the same ability to meet the needs and wants of their passengers. The chartered service is usually cheaper as the producer of the tour is able to negotiate better prices for the charter of a whole aircraft and / or for large block bookings at hotel