Hi Adelmonto,
Nice find.
This time of the year it is best to ask directly for cuttings, rather than "bothering" people with a "I will be back" - Some people get stressed by strangers coming back .
Next time if you can, try to target 2 years old wood. Generally in the middle of the tree, you can spot shaded branches, and take those as it will at the same time help the tree
with better air circulation.
Good luck !