What is the notice about?

(89)Ladies and gentlemen, may I please have your attention for a moment? There has been a slight change to today’s agenda.(90)Due to some unforeseen circumstances, our motivational speaker will be presenting at 5 p.m. instead of 2 o’clock as originally scheduled. We apologize for the postponement of this popular presentation. There aren’t any more changes to the rest of the schedule. A buffet lunch will be available in the third floor banquet hall at 12:00 p.m. as planned. After lunch, Joseph Hayes will be giving the keynote speech entitled Business Contacts. We apologize again for the inconvenience and hope you enjoy the rest of the conference. Thank you.