It is usually wrong to lie about your identity.
Simon receives a message from Anna on Facebook confusing him with someone with a similar name.
Simon wants to get to know Anna.
Simon posts a link to the guy Anna wants  while asking her questions about the interests on her profile.
Simon pretends to be the guy as he talks to Anna through the night.
Anna asks Simon to hang out with her next weekend.
Simon is blocked by the Anna once she discovers the truth.