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: I woke up late for my dog-walking job on Monday. Sentence2: With no time to waste, I quickly hopped on my bike and left. Sentence3: I got about halfway there, then realized I left my bike lock at home. Sentence4: When I called my boss, she told me that it was Saturday, not Monday. Sentence5: Since I have Saturdays off, I was relieved and made my way home.
A:
I (myself)