After reaching Beijing Int’l airport, he could take the domestic flight directly to Dalian. And there are around 15 flights daily between Beijing and Dalian. To get the better discounted tickets, it is better for him to book the tickets in advance. From Dalian airport to Dalian Medical University, he could choose to take a taxi which cost around CNY80 one way. For the airfare from South Africa to Beijing, it is hard to say as the international ticket price always varies from different travel date.