person A: I don't think I'll be able to go to the lake this weekend_comma_ I'm pretty bummed out.
person B: Awww what's wrong? Maybe going to the lake will cheer you up?
person A: Yeah_comma_ I wish I could_comma_ but I have to house watch my parents house this weekend! Bummer.
person B: That is a bummer! Well_comma_ you can go next time!