If you need to change the name on your ticket, you can contact their customer service at 1-84-4838-4902 for assistance. Name changes are generally allowed but are subject to certain restrictions, depending on the fare type and the circumstances surrounding the change. https://www.quora.com/What-is-the-KLM-Airlines-name-change-and-correction-policy/answer/Jonny-2086?prompt_topic_bio=1