system
surprised: I thought everyone forgot my birthday. No one wished me a happy birthday at work. Then I saw my coworkers gather around and start singing Happy Birthday. I was shocked that they remembered!
gpt
Last week was my birthday. I thought everyone forgot about it because no one wished me a happy birthday at work.
human
Oh, that's awful. Did you mention it to anyone? 
gpt
No but in the afternoon I noticed everyone was disappearing. Then all of a sudden I heard them singing Happy Birthday to me. I was so surprised!
human
Yay! So they threw you a surprise party! That's awesome. You must have been so happy. Was there cake?