"estion: I want to fly from Langkawi to Ho Chi Minh City from 1 September to 8 September, with a flight budget of RM 1,500.
{'departure city': 'Langkawi', 'arrival city': 'Ho Chi Minh City', 'departure date': '1 September', 'returning date': '8 September', 'flight budget': '1500', 'headcount': 1, 'task': 'search flight'}",