In late May 2023, Sarah Merino, the newly appointed manager of the Customer Insights group at Travelogo-an online travel booking platform-initiates a comprehensive analysis of clickstream data to understand the varied behaviors and needs of their users. In preparation for the upcoming marketing strategy meeting, Merino and her team delve into the extensive customer data collected by the platform as users search for flights, aiming to understand search patterns, trip characteristics, and clicking and purchasing behaviors. This deep dive is to identify distinct customer personas and actionable insights that will shape Travelogo's marketing strategies. The case provides students with a hands-on exploration of the fundamentals and benefits of customer segmentation, fostering an understanding of how to create detailed buying personas from complex data for strategic marketing purposes. Additionally, the case emphasizes the critical need for effective collaboration between decision-makers and data science teams, underscoring the importance of clear communication to ensure that data analytics are precisely aligned with business objectives, especially when crafting sophisticated strategies to engage and cater to a varied customer base with a deep understanding of their preferences.