Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: @DeltaAssist Tried 2 get earlier flt 2day  @BWI Turnd away bcuz it was 2 late Then agent let other pas on #silvereliteleftbehind #unhappy
This tweet contains emotions: 
anger, disgust, sadness