她不在，请过会儿再打来

She's not around, please call later.

She isn't here now.please call again a moment.

Sorry,she is not in for the moment,would you please call back later or can i take a message for you???

She's not available. Please dial later./Please call her later.

She wasn't around , please call her back later .

she's not available at this moment, would you mind making this call later?