In a sentence, if you are addressing a person by name, you must set off their name with a comma.
Bob, please bring the iced tea.
I’m happy you like the gift, Josie.
Billy, you need to finish your homework.
If the name of the person to whom you are speaking is in the middle of the sentence, use commas on both sides of the name.
Be careful, Johnny, to listen to the instructions.
I hope, Sarah, that you will be comfortable here.
No, Lisa, I do not have any packing tape.
When addressing a person by name, use a comma (or commas) to set off their name from the rest of the sentence.
▶It’s your turn. Place the comma or commas in the correct place in this sentence. I’ll call you when I get home Dad. Did you figure it out? Good for you!