Complex sentence: When celebrity chef Anthony Worrall Thompson visited, Nicola tried to get to know him and was soon bragging that they were going to work together but was embarrassed when Bob gave her a message from Anthony's people, asking her to stop bothering him.
Split into simpler sentences: When celebrity chef Anthony Worrall Thompson visited, Nicola tried to get to know him and was soon bragging that they were going to work together. She was shown up when Bob said Anthony's people had left her a message, asking her to stop bothering him.