There is a Gemara, I do not know where, that says its permissable to be ???? for Shalom and it might even be considered a mitzva. Lying is assur, but not everyone says from ???? ??? ????. Most (I believe the Rambam and the like) hold that its falls under ????? ?????, where then it would be muttar to be change around like by Sara, and what the brother’s said to Yosef, and Hashem told Shmuel to go annoint Dovid but to say he was bringing Korbanos.
Being ???? means stressing a different thing, or leaving something out. You are allowed to give the wrong impression, ex. if someone asks where you’re going you could say how do you go…
You do have to be careful not to actually lie. Ex. if doing a prank call (its the first thing that came to mind) you cant say Hi, I’m Bob or wtvr but if they ask whats your name you could say Bob.
If its for personal gain its assur.