Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: I called my dentist's office to cancel an appointment. Sentence 2: The secretary told me to hold. Sentence 3: I waited ten minutes. Sentence 4: When a sound finally came through the line, it doubled beeped. Sentence 5: The office had hung up on me.

Cancelling an appointment