Please do go and meet your academic mentor if he or she does call for a meeting of his/her mentee. At the moment, you may not feel the need to talk to your mentor. You may not have outstanding problems nor academic problems. However, please do meet your mentor to get to know who he/she is and also that your mentor can know who you are. In some near future that you should need recommendations or urgent help, it would certainly be rather awkward to be soliciting help from a total stranger. A small investment of an hour or so in your busy schedule is all that is required. Do make the effort to do so. Usually, if he/she is meeting all the mentees at the same time, it is also an opportunity to discuss common problems faced with your peers and get to know more people.