United Airlines should probably consider an extensive training program for their employees who are making such bad decisions, before the airline loses every last customer United Airlines requires children over the age of 2 to have their own tickets and occupy their own seats, but that didn t stop the airline from allowing a 27-month-old child from sitting in his mother s lap after they accidentally oversold his spot.Shirley Yamauchi says she and her son Taizo had boarded their flight from Houston to Boston on June 29   the final leg of an 18-hour flight from Hawaii   when a standy passenger approached and claimed Taizo was in his seat. I told him that I bought both of these tickets and he tells me that he got the ticket on standby. Then he proceeds to sit in the center,  Yamauchi told Hawaii News Now.Yamuachi says she tried to inform a flight attendant about Taizo s seat, but the woman claimed she couldn t do anything about it, seeing as the flight was full.Not wanting to cause a scene   or worse, instigate an incident like the one that befell the elderly United passenger who refused to give up his seat on in April   Yamuachi sat Taizo on her lap and kept her mouth shut until she reached Boston. I started remembering all those incidents with United on the news. The violence. Teeth getting knocked out. I m Asian. I m scared and I felt uncomfortable. I didn t want those things to happen to me,  she told Hawaii News Now.Watch:Upon reaching Boston, Yamauchi was told to call a United hotline to explain the situation. But when she finally got through and asked for a refund, she was told that United would need to cancel her return trip to Hawaii in order to do so, reports KITV.   Fox News