Simplify the following text for a Grade 11 native English-speaking person.
Original: Megatrain offers low cost intercity train train travel , using yield management pricing , on East Midlands Trains and South West Trains which are rail franchises in the United Kingdom operated by Scottish-based Stagecoach Group .
Simplified: Megatrain is a virtual no-frills intercity train service run by Scottish-based Stagecoach Group .