This is because there was no written and/or other type of proof, as far as Airbnb is concerned its your word against hers, she could just say something among th

This is because there was no written and/or other type of proof, as far as Airbnb is concerned its your word against hers, she could just say something among the lines "guest wanted to cancel and invented scenario where I asked about deposit". Thus it got removed. When it comes to dealing with Airbnb it's all about what can be provided as a proof.