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: @Johncrookshanks 'Elizabeth Smith!' She said with a cheery smile 'Pleasure to meet you, sir! Where have you travelled from?'
This tweet contains emotions: 
anticipation, joy, optimism, trust