300
A: Sorry _______.
B: That's OK. _____________.
A: Well, it was entirely my fault. If _____________...
B: Well, better late than never! ...
Possible dialogue:
A: Sorry we're late. We got lost.
B: That's OK. It can happen to anyone.
A: Well, it was entirely my fault. If I had stopped to ask for directions, we would have been on time.
B: Well, better late than never! ...