1. In Bot Code logs (Call did not reach LUIS):

[2021-12-21T12:57:06.321] [ERROR] file - FetchError: request to https://<domain>.cognitiveservices.azure.com//luis/prediction/v3.0/apps/<appid>/slots/production/predict?verbose=true&log=true&show-all-intents=false failed, reason: read ECONNRESET
at ClientRequest.<anonymous> (C:\home\site\wwwroot\node_modules\node-fetch\lib\index.js:1461:11)
at ClientRequest.emit (events.js:315:20)
at TLSSocket.socketErrorListener (_http_client.js:469:9)
at TLSSocket.emit (events.js:315:20)
at emitErrorNT (internal/streams/destroy.js:106:8)
at emitErrorCloseNT (internal/streams/destroy.js:74:3)
at processTicksAndRejections (internal/process/task_queues.js:80:21) {
type: 'system',
errno: 'ECONNRESET',
code: 'ECONNRESET'
}


2. When tried LUIS seperately (Call getting timedout):

(node:41176) UnhandledPromiseRejectionWarning: FetchError: request to https://<domain>.cognitiveservices.azure.com/luis/prediction/v3.0/apps/<appid>/slots/production/predict?verbose=true&log=true&show-all-intents=false failed, reason: connect ETIMEDOUT 40.112.254.71:443
at ClientRequest.<anonymous> (...\node_modules\node-fetch\lib\index.js:1483:11)
at ClientRequest.emit (events.js:400:28)
at TLSSocket.emit (events.js:400:28)
at emitErrorNT (internal/streams/destroy.js:106:8)
at processTicksAndRejections (internal/process/task_queues.js:82:21)
(Use `node --trace-warnings ...` to show where the warning was created)
(node:41176) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:41176) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.