Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @British_Airways In your Concorde Lounge in Terminal 7 JFK. So saddened to have to say, service so far is dismal. Don't expect a reply.
This tweet contains emotions: 
anger, disgust, pessimism, sadness