Get the first available date

curl --request GET \
  --url https://api.letsway.com/v2/experiences/{experienceId}/first-available-date

{
  "scheduledDate": "2024-03-15",
  "sessions": [
    {
      "startTime": "14:30:00",
      "supportedParticipantsCount": 5,
      "duration": 90
    }
  ]
}