Answer:
"Hello Samantha," Trevor excitedly shouted.
"Hi, Trevor," responded Samantha.
"Want to go to the ice cream shop with me later," Trevor inquired energetically.
"No, I have dance practice later," she said in a somber tone, "I might be able to this weekend, though."
"It is official-- this weekend we will go to the ice cream shop," Trevor declared.
The characters then went their separate, both looking forward to the fun that they will have this weekend.
I'm not sure what your options are, but here's what I've come up with:
The reason for our tardiness was because we got stuck in traffic.
Personification is going to be your answer. Don't read the rest because I am only doing this to reach the max character needed.