How can I find a guy I met only once ?

I met a guy at waitrose ( surbiton ) about 4 days ago and I don t know how to find him again ! this never happened to me before ! really something had clicked when I saw this guy..he started chatting to me and he was so cute ..he asked me how old I am and where I live .. I told him the street name , he said ” my sister lives there too ” , he also told me that his brother is chef… he lived in long ditton ! please help me to find him !