['I went out for dinner the other night and it was at a really fancy restaurant.  I knocked my drink over by accident.', 'Hey a similar thing happened to me! I hope no one saw!', 'It was a full glass, and it spilled all over the table.']
Ooops! I'm sorry to hear that. I'll tell you what though, it happens to the best of us! It's just a drink.
I was at a fancy restaurant and by accident I knocked my drink over and it spilled all over the table.