Let me give you some context

I cold approached a girl, she and I both loves to read the books.

When I cold approached her , I talked about mostly reading and what she love to read and etc .

After talking 10-15 min we exchanged digits

After that , I message her , after 18 days and we texted each other and I tried to setup a date, she said she is busy and let me know , after that I message her three times on different days,

No reply for two times , but after sending third text(I said If you are interested let me know and if you are not, no worries) , she replied next day saying ' I don't know what you are talking about, we strangers, talked about literature and reading, and saying I don't understand what are you saying '.

So friends,

I want advice from someone who knows situations about this .