Genesis 24:56

And he said unto them, Hinder me not, seeing the Lord hath prospered my way; send me away that I may go to my master.

Cross-references

In Genesis 24:21, the servant waits to see if God prospered his journey; here he confirms that God has.

Genesis 30:25 has Jacob asking Laban to let him return home, similar to the servant's plea to depart.