Final answer:
Airlines can reduce travel headaches by improving staffing levels, enhancing communication, and leveraging technology.
Step-by-step explanation:
To reduce travel headaches caused by canceled flights due to inadequate staffing, airlines can take several measures. First, they can work on improving their staffing levels by hiring and training more employees to meet the demand. Second, airlines can focus on better communication with passengers by providing timely updates about flight status and alternative travel arrangements. Lastly, airlines should explore the use of technology to streamline their operations and minimize disruptions, such as implementing automated systems for check-in and baggage handling.