Cas: Shit! I'm sorry man-
He stops running and looks at Elias
Cas: You ok?
"...."
He played the sound of lightning striking on his tablet
Cas: ...uh...ok then...I'm Cas.
He had a sticker on his shirt, it said:
Hi, my name is: Elias
Cas: Are you...Elias?
Tablet siri: "Yes."
Cas: Oh...can you talk?
"I...yes...talkie.."
Cas: Cool...uh-well-hey, Elias...Sorry about hitting you...
Elias giggled and played more barking