system
sentimental: I have this knife that I carry everyday. My dad gave it to me before he died.
human
I have this knife that I carry everyday. My dad gave it to me before he died.
gpt
Oh that's really nice to have something you can remember him by. It must be very special to you. 
human
It is, it's like he's always with me.
gpt
That's very sweet. I am certain he is with you. 