I'm sorry to hear that; that's a pity
Polite expression of sympathy or regret, often used when hearing unfortunate news. Can also describe a situation as pitiable. The base form is 気の毒; the お prefix adds politeness.
See also: 気の毒
I'm sorry to say, but today's event has been canceled.
That's a pity. Is there anything I can do to help?