// Fetches a new Access Token using the credentials from the client
//private com.amadeus.Response fetchAccessToken() throws com.amadeus.exceptions.ResponseException
private Response FetchAccessToken()
{
Configuration config = client.Configuration;
return(client.UnauthenticatedRequest(Constants.POST, Constants.AUTH_URL, Params.With(Constants.GRANT_TYPE, Constants.CLIENT_CREDENTIALS).And(Constants.CLIENT_ID, config.ClientId).And(Constants.CLIENT_SECRET, config.ClientSecret), null));
}