Which method is used by TraX to ensure compliance during travel booking?

The method utilized by TraX to ensure compliance during travel booking relies on the review of all travel options. This comprehensive review process allows TraX to verify that the selected travel arrangements adhere to established policies and guidelines, such as budget limitations and preferred vendors. By analyzing all available options, TraX can identify the most compliant and cost-effective travel solutions for the user, thus minimizing the risk of non-compliance.

The other approaches, such as automated checks based on user history or manual approvals from travel agents, while valuable in their own right, do not encompass the broad scope necessary for compliance verification as effectively. Feedback from previous travelers may enhance future travel experiences but does not directly contribute to ensuring compliance in the present booking process. The thorough assessment of all options ensures a comprehensive approach to compliance, making it the most suitable method within the context of TraX.