person A: I feel so ashamed today! :( 
person B: Oh no!  What happened?
person A:  walked into my office late and in the middle of a important meeting
person B: Oh_comma_ man.  That's a terrible feeling. What did you do?
person A: I had to apologize_comma_ but luckily all my co-workers were understandable and gave me a summary of what was discussed. 