Try to remain calm. Not being able to remember something can stress you out and cause you to become anxious. Take a few deep breaths and, calmly, try to access your memories. Anxiety and panic make it far more difficult for you to remember specific things. It is more efficient to keep your cool.
In conclusion, you know that your memory is an extremely important function of your brain and you need to constantly train it in order to keep it at its peak performance. Use the advice provided in this article and you will find that your memory is operating at or near its peak.