ROME/FRANKFURT (Reuters) - German carrier Lufthansa
Ferrovie dello Stato, U.S. airline Delta
A binding offer is due to be presented by Oct. 15, but sources have told Reuters there is still no final accord on a bid among prospective investors.
A spokesman for the German carrier declined to comment onLufthansa's letter and reiterated the airline had always said that the Italian market was important.
The spokesman also said the carrier would be interested inAlitalia only once restructured, adding Lufthansa could imagine a commercial partnership with the Italian airline.
(This story corrects date in dateline)
(Reporting by Stefano Bernabei in Rome and Hans Seidenstueckerin Frankfurt; Editing by Nick Macfie)