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: @Mothercarehelp after being assured we would get the rest of our order it has been cancelled and a 10% voucher issued.  #nothappy
This tweet contains emotions: 