Yes, it is possible to change your reservation date with Mini U Storage. Generally, they understand that plans can change and aim to accommodate such requests. Depending on the specific circumstances, you may be able to alter your reservation date online through their website, or you may need to reach out directly to them for assistance. It is important to check the terms and conditions of your reservation as they may contain details about any applicable fees or deadlines for making such changes. For the most accurate and updated information regarding your reservation alteration, it is advisable to visit Mini U Storage's current web page where you can find relevant information and possible contact options.