Complex sentence: The third leg ended with two dates at The Point in Dublin and the US leg of the tour began on July 6 at the Louisiana Superdome in New Orleans, as part of the 2007 New Orleans Essence Music Festival, where Knowles headlined.
Split into simpler sentences: The third leg ended with two dates at The Point in Dublin. The US leg of the tour began on July 6 at the Louisiana Superdome in New Orleans, as part of the 2007 New Orleans Essence Music Festival, where Knowles headlined.