There is a bunch of optimistic people on this board! When it comes to fellow human beings and their actions I am very pessimistic. I say call her and ask her what the issue is! Maybe she did lose your number, but maybe she also wanted something for nothing!
I too hate when people say one thing and do another. Maybe call her and ask her if she has any plaid flannel, because your making a quilt and could use some! lol See I am mean.