Jim could do nothing. Maybe Mary will forget about it.
Jim could lie and tell Mary that he’ll speak to Tom about it. Then, if she comes in tomorrow, he’ll say it’s all taken care of.
Jim could talk to Tom and get his side of the story.
Jim could survey the sales staff and ask then about their perception of the value of the training.
Jim could issue a memo to the salespeople telling them that attendance would now be taken at seminars and anyone not there would be disciplined.
Jim could pass the problem along to his manager and let him worry about it