Given the task definition and input, reply with output. In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: George is an introvert. Sentence2: He hates going outside or doing anything social. Sentence3: Today he has to meet some new people at work. Sentence4: He discovers an old friend of his at the work meeting. Sentence5: George is better with social situations and loves meeting people now.
New people at work, George, Old friend, People