user: I have an 80-year-old female client who is 170 cm tall, weighs 59 kg, and is quite active with an activity level of 4. She's looking to reduce her weight. Could you calculate her daily nutritional needs based on these details?

Available functions:
name: calculate_nutritional_needs
description: Calculates the nutritional needs of a person based on their weight, height, age, gender, activity level, and goal.
parameters: type: dict
properties: weight: type: float
description: The weight of the person in kilograms.
height: type: float
description: The height of the person in centimeters.
age: type: float
description: The age of the person in years.
gender: type: string
description: The gender of the person. Possible options [male, female, other].
activity_level: type: integer
description: The activity level of the person. Possible options [1,2,3,4,5].
goal: type: string
description: The goal of the person. Possible options [lose, gain, maintain].
required: weight
height
age
gender
activity_level
goal