User turns:
user: Integrate a stock into my watchlist and subsequently display the current contents of that watchlist.
user: Zeta Corp's stock
user: Bring up information on 'NVDA', check the Technology sector for reference.
user: After comparison, I observed some promising fluctuations earlier and wish to place a purchase order for Zeta Corp shares at $120 each for 100 units.
user: After completing the transaction, share the specifics of this newly placed order with me.

Involved APIs: TradingBot
Ground-truth function call path:
TradingBot.get_symbol_by_name
TradingBot.add_stock_to_watchlist
TradingBot.get_watchlist
TradingBot.get_stock_info
TradingBot.get_available_stocks
TradingBot.place_order
TradingBot.get_order_details