Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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