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: Henry was trying to pay off his credit card. Sentence2: He sent money through the credit card application. Sentence3: After a few days, he had an overdue charge. Sentence4: The bank representative told him that they never received a payment. Sentence5: However, he looked into his account and there was no money.
Bank representative, Henry