Simplify the following text for a Grade 4 native English-speaking person.
Original: Starting in February 1997 , she had a weekday lunchtime show , called The Jo Whiley Show and later The Lunchtime Social . When Simon Mayo left Radio 1 for Radio Five Live in February 2001 , Whiley 's show was moved to mid-morning .
Simplified: She was the host of the long running weekday Jo Whiley Show on Radio 1 .