One for My Baby

 is a quest in Fallout: New Vegas.

Quick walkthrough
Talk to Boone. He will mention his wife during conversation. Offer to help. Ask No-bark about Boone's wife. He will mention the Dino-Dee-Lite lobby. Sneak in at night and obtain the a Bill of Sale from the safe behind the desk. Ask [lady who works at Dino-Dee-Lite] to see what is in front of the Dinosaur. Put on your Baret and lead her there. Go back to Boone.