In years to come, conversations will breathe new life into software--particularly the boring enterprise tools millions of knowledge workers begrudgingly use every day. Conversational user interfaces (CUIs) work because of our familiarity with messaging. Even the most technically complex interactions can look as simple as getting an SMS text when presented as a conversation.
What you don't want to do is take it personally. It's easy to feel rejected, because that's what having another person show no interest in you feels like. But is that what actually happened? Can someone truly reject you if they haven't gotten to know you? And more importantly, if you know someone doesn't want to be friends with you, do you still want to be friends with them?