May I ask what your call is about, as A-san called Mr Tanaka today? Mr Tanaka is out of office from today until 9 January next year. It might be impossible to have a conversation because he is in hospital.
We received a phone call from A to Tanaka today. May we ask what your call is regarding? Tanaka will not be available from today to 1/9. Contacting by phone may be difficult as Tanaka is at a hospital.