I talked with a girl she was with her friend . I wanted to include her friend , I asked if they are sisters, she said no , I then asked what's their names and they started walking mid-convo. I then told her "listen I"m talking to you , stop for a second"(I said it pretty confidently - at least that's what I felt ) , they continued walking then I knew I lost my frame there . She said they need to go , so I asked if she's available? She said yes but not looking for anything . I proceeded to hand my phone , told her to write her number anyway ,She said no thanks. Then I just dropped it , said okay have a good day.

It doesn't really bother me , I just want to know how to improve and deal with a girl that's start walking mid convo ?