User turns:
user: It'd be great if you could pop Zeta Corp's stock onto my watchlist. I've come across some fascinating insights into their recent performance that I want to monitor.
user: With Zeta Corp's stock now on my radar, let's pull up the complete list of stocks.
user: I want a list of all stocks on my watchlist

Involved APIs: TwitterAPI
TradingBot
Ground-truth function call path:
TradingBot.get_symbol_by_name
TradingBot.add_stock_to_watchlist
TradingBot.get_watchlist
TwitterAPI.post_tweet