Task: Evaluate the tweet and identify the emotions conveyed, categorizing 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 most accurately capture the emotional undertone of the message.
Tweet: @camairco Increased flights from 70 - 100 without increasing your fleet=Significant delays since the beginning of this month. #disappointing
This tweet contains emotions: 