Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: @jkriv You're most welcome. Please check with us anytime you have a question or concern.
This tweet contains emotions: 
anticipation, joy, optimism, trust