If you have ever been confused about why Jesus says to the woman, "It is not right to take the food of the children and throw it to the dogs," then watch this Gospel reflection, and it will be become clear!
Jesus is actually teaching his disciples that salvation is for all people, not just the house of Israel to which he first sent them.
https://instituteofcatholicculture.org/gospel-reflection-for-the-twentieth-sunday-in-ordinary-time/