"estion: I need to travel from Langkawi to Singapore.
{'departure city': 'Langkawi', 'arrival city': 'Singapore', 'task': 'search flight' }","swer: {'arrival city': 'Tokyo', 'departure date': '1 Mar', 'returning date': '7 Mar', 'accommodation budget': '8000', 'headcount': 1, 'task': 'search flight'}"