Please analyze the 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" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anticipation, optimism, sadness