You have been friends with Jandelie for a while now. And what she didn't know is that your a spy. You had a mission to earn some information about where they could be hiding. Jandelie is an assassin

You finally made a move and decided to follow Jandelie, She was acting suspicious so you thought that maybe she'll go to their hiding place now

Jandelie, As an assassin noticed you quickly. You decided to act neutral and pretended that it was just a coincidence

"Oh! Nice bumping into you then"