在给定的一段英文文本中找到并列举出所有的人名和他们所在的国家。
"My name is John Smith and I work in the United States. Jane Kim is my colleague and she is from South Korea. We also have a team member named Ahmed Khan who is originally from Pakistan."
人名：John Smith，Jane Kim，Ahmed Khan。

国家：John Smith在美国工作，Jane Kim来自韩国，Ahmed Khan来自巴基斯坦。