"estion: I want to book a flight from Johor Bahru to Tokyo, departing on 22 April and returning on 29 April, with a budget of RM 4,000.
{'departure city': 'Johor Bahru', 'arrival city': 'Tokyo', 'departure date': '22 April', 'returning date': '29 April', 'flight budget': '4000', 'headcount': 1, 'task': 'search flight'}",