Check Availability: Ensure that the dates you are trying to select are available for rental. Some dates may already be booked or fall outside our standard rental periods. If you do not see a full 8 days shown - you can not book for those dates you are attempting. Contact Customer Support: If the issue persists, reach out to our customer support team. They can assist you in checking availability, resolving technical issues, or exploring alternative solutions. Consider Date Flexibility:If your preferred dates are unavailable, consider adjusting your rental dates or exploring other available options. Our customer support team can provide guidance on suitable alternatives. Clear Browser Cache: Sometimes, browser cache issues can affect the functionality of the website. Clear your browser cache and try adding the dates to your cart again. Try Another Device: If the issue persists, try using a different device or browser. This can help identify whether the problem is device-specific. Verify Account Information:Ensure that your account information, including billing details and shipping address, is accurate. Incorrect information can sometimes lead to issues during the checkout process.