ChatGPT API

Plan Pattern returned by GPT:

{
    plan: {
        day1: {
            activities: [
                {
                    'time': "08:00",
                    'duration': "120",
                    'destination': "X",
                    'destination describ': "X",
                    'destination duration': "60"
                }
            ]
        }
    },
    reply: "XXX"
};

"plan" can contain multiple days. Each day can have multiple activities. "time" is the start time to do the activity. "duration" is the time to get to the destination in minutes. "destination describ" is the description of the destination. "destination duration" is the time staying at the destination in minutes. "reply" is a brief explanation of the plan.