"estion: I want to travel from Penang to London.
{'departure city': 'Penang', 'arrival city': 'London', 'task': 'search flight' }","swer: {'arrival city': 'Barcelona', 'departure date': '25 Jun', 'returning date': '5 Jul', 'accommodation budget': '9500', 'headcount': 1, 'task': 'search flight'}"