need step by step explanation asap

Answer:
"Samantha!" Trevor exclaimed. "You're up for ice cream, aren't you?"
"I could definitely use some to cool down," Samantha said, turning to face him.
"Great! Let's go, then."
Samantha smiled. "Right behind you, Trevor."
Explanation:
i don't know how to explain this? lol. the dialogue tags fit the tone and punctuation and there is a comma inside of the quotation marks before a dialogue tag (unless an exclamation point is used). i hope this helps!