"estion: I want to fly from Penang to Kuala Lumpur.
{'departure city': 'Penang', 'arrival city': 'Kuala Lumpur', 'task': 'search flight' }","swer: {'departure city': 'Langkawi', 'arrival city': 'Ho Chi Minh City', 'departure date': '5 Apr', 'returning date': '10 Apr', 'flight budget': '1100', 'headcount': 1, 'task': 'search flight'}"