How can I find a girl I met at a pub?

I Met the most amazing girl on planet Joanna a music Teacher lives in Lee Green last Friday nite in a Earl of Chatham in woolwich. after smiling at each other for ages. we started talking when we got on very well. we danced ,drunk and she gave me her number and was wondering when i should call or text her .she hinted she was interested . Am unsure how she enjoyed my company .but the sad thing is i was mugged my phone lost her number by 3 thugs on my way home .i want to see her again...............Help Sammy