Gets a conversation by its sessionId.
Supply the API Key in the HTTP-Header
The Accept header specifies the media type that the client expects in the response. Available options: application/json, application/hal+json, application/xml, text/xml, text/csv. The default value is application/json.
application/json, application/hal+json, application/xml, text/xml, text/csv The Id of the Session
24^[a-z0-9]{24}$expertMode on or off e.g. expertMode=true