Rest API : Fetch upcoming calls in gong via Rest API ?

Is there is way to pull upcoming calls in gong via Rest API , we have tried using existing end point 

Request : 
https://api.gong.io/v2/calls?fromDateTime=2025-04-18T02:00:00-05:00&toDateTime=2025-07-09T00:00:00-00:00

response : 
{

    "requestId": "6k5xwbtvlzlo7sqpc9",

    "errors": [

        "No calls found corresponding to the provided filters"

    ]

}