Update dataset.csv

dataset.csv

@@ -0,0 +1,2 @@
+input,thought,response
+"hi","The user typed “hi.” This is a casual and very short greeting. It’s likely used to open a conversation. There’s no punctuation, so it feels informal. This is typical of a user checking if the assistant is online. There is no explicit question or task. My response should be warm, inviting, and simple.","Hello! How can I help you today?"