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.
Q: Sentence1: Travis went to a bicycle shop. Sentence2: And he saw one bike he really wanted to buy. Sentence3: But he made sure to look through countless rows of other bikes first. Sentence4: And he eventually decided the first one he saw was the best. Sentence5: But a sales associate told him someone just bought it.
A:
Travis, Sales associate