Lightroom Preset Soft And Dreamy ((link)) -

The "dreamy" aesthetic heavily favors warm tones. Typically, the midtones are shifted slightly toward orange or yellow, while the shadows may have a tiny hint of teal for a cinematic contrast.

Dreamy photos usually look best when slightly "overexposed" (bright). If the preset makes your photo look muddy, bump up the Exposure slider. lightroom preset soft and dreamy

If you want a ready-made preset (free or paid), search for: The "dreamy" aesthetic heavily favors warm tones