Task: Determine the prevailing emotional tone of the tweet, categorizing it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that most accurately represent the tweeter's mental state.
Tweet: my husband lost £800 when he booked an apartment through @Airbnb that didn't exist... @AirbnbHelp didn't care #nightmare #airbnbnightmare
This tweet contains emotions: 
anger, sadness