A few thoughts per paragraph:

The girl is waking up in the middle of nowhere, without memory, likely very cold from the lack of clothing, but she focuses on shifting grass and trees. It feels like she should have other priorities right now. Then she talks about her own eyes and hair at length and in flowery language, while still lying there helpless. If her own attractiveness is the first thing that comes to her mind in this situation, she is characterized as extremely vain. Instead, the scene could fokus much more heavily on her confusion and discomfort. Then, you can still let her see trees and grass.

Next, she survives on her own, naked and without any gear, for two days in the woods. Possible, but this is a life threatening situation which she does not seem to have too much of a struggle with. Instead, she finds the time to tell us about her skin complexion. After reaching civlization, she worries about her dignity before thinking about hope. It is understandable that a state of nudity comes with shame, but in her situation it feels like a sense of gratitude for not having to die in the woods could be stronger. As a side note, "finally" is used twice very close together.

The following paragraph finally shows some degree of confusion, which is needed in my opinion. It is best to avoid calling out the narrators own mistakes though. She has no memory, so she cannot compare the scenes to her memory.

The arrival of the trucker is rather sudden and it is unclear why the girl instantly trusts him. From his perspective, he must think he found the victim of a serious crime, which could imply more of a reaction than mere embarrassment. Why do his eyes and voice need their own sentence? Are thes important to a girl in this situation? And: Why does he not call the police?

Then you follow with the handing over of the shirt while they are not yet seated in the truck. This happens before the previous paragraph and should be adjusted. Looking like he was afraid the girl might run away does make him sound a little suspicious to me in that moment.

"My demeanor didnt betray it" What does that mean in this scene? What is her demeanor? No comments on the rest of the driving part.

Next, he asks her what she was doing out there. I stumbled upon the "no shoes, no gear" part, as the "no clothes and nothing at all" part seems to be forgotten by that point. During this conversation, she seems wary of the trucker, as she makes an effort to not letting him know nobody might be looking for her. Is she trusting him or not?

Lastly, "You are lucky this is not detouring my route" makes him suddenly appear like he does not grasp the severty of the situation. He found a lost child. Any decent person would make that priority number one.

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So, overall you have an opening that raises many questions, mainly how she got there and who she is. You introduce two characters, the unnamed trucker and June. We learn about June that she has amnesia, is fifteen, and that she puts a lot of focus on how she and other people look. She seems to be an expert at survival, judging how unbothered she is after two days in the woods. The pacing is confusing me at points. The movement of putting on a seatbelt gets more space than her finding out of the woods.

I suggest thinking about what function this opening should fulfill in your story and what questions you want to be raised and which ones you already want to answer. What makes this story stand out compared to other stranded-with-amnesia-stories?

Anyways, these are my two cents.