JOHN 14.13-14
and whatever you may ask in My Name, I will do, that the Father may be glorified in the Son; if you ask anything in My Name I will do [it].
JOHN 15.7
if you may remain in Me, and My sayings may remain in you, whatever you may wish you will ask, and it will be done to you.
JOHN 15.16
You did not choose Me, but I chose you, and appointed you, that you might go away, and might bear fruit, and your fruit might remain, that whatever you may ask of the Father in My Name, He may give you.
JOHN 16.23-24
and in that day you will question nothing of Me; truly, truly, I say to you, as many things as you may ask of the Father in My Name, He will give you; until now you asked nothing in My Name; ask, and you will receive, that your joy may be full.