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: @airvistara as always it was indeed a wonderful experience flying with you guys today #bestinbusiness  #happyme
This tweet contains emotions: 
joy, optimism