Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @escotony sorry to hear about your experience, however, please do not hesitate to contact us via live chat or email at askdysonUS@dyson.com
This tweet contains emotions: 
anticipation, optimism, sadness