Is it possible to have an input path for variables in Thymeleaf

Question

I know the title might be misleading but here my question: In Thymeleaf we set request params with the input (in HTML). Is it possible to have an input field that sets the path variable. For example I have an method like this:

@PostMapping("/house/{id}/rent")
    public String rentHouse(@RequestParam Date startDate, @PathVariable("id") long id, Model model) {
        House h = new House();
        h.setId(id);
        r.setStartDate(startDate);
        Rents rents = rentsService.createNewRent(h, id);

        model.addAttribute("rent", rents);
        return "House";
    }

And in House.html I want something like this:

<form th:action="@{/house/${id}/rent/}" method="post">
    <label for="startDate">start Date:</label><br>
    <input type="datetime-local" id="startDate" th:name="startDate" placeholder="startDate"><br>
  <label for="id">house id:</label><br>
    <input type="number" id="id" th:name="id" placeholder="id"><br>
    <br>
    <input type="submit" value="Submit">
    <input type="reset" value="Reset">

So that when I input something then the result url should be looking like this (I know start Date has false format): localhost:8080/House/12/rents?startDate=02.21.22

And is it also possible to pass request body in Thymeleaf, I searched for similar questions but they all solved it by manually putting the path variable in the url. Thanks in advance