Unless Seph specifically requests a kiss during their brief moment alone, they don't get one.  Sandra has enough time to scurry about in the trunk before Alexander shows up in order to pull out a small bag, which carries a decent amount of weight.  "Hang onto this, will you?" she asks him, offering the bag.  "And if it's not very far, I'll be happy to walk.  Hopefully Seph or someone else will be able to make contact if you can't."