Complex sentence: The idea of having dedicated greeters at the front door of a store comes from an employee of the company, Lois Richard, who was working in the early 1980s as an invoice clerk at the Wal-Mart store in Crowley, Louisiana.
Split into simpler sentences: The idea of having dedicated greeters at the front door of a store comes from an employee of the company, Lois Richard. She was working in the early 1980s as an invoice clerk at the Wal-Mart store in Crowley, Louisiana.