Task: Story Composition
Input (English): Premise: David woke up early to make his flight. 
 Initial Context: He was pleased because he usually oversleeps. 
 Original Ending: He got everything ready and took a taxi to the airport. When he arrived he was feeling great about his upcoming trip. But when he got to the counter he found he had the wrong flight time. 
 Counterfactual Context: He was always on time.
Output (English): He got everything ready and took a taxi to the airport. When he arrived he was feeling great about his upcoming trip. When he got to the counter he saw that his flight was on time.