(adj) upset because something you hoped for has not happened or been as good, successful, etc. as you expected
disappointed/ˌdɪsəˈpɔɪntɪd/ (adj)
a dialogue in which emotions—such as joy, sadness, anger, fear, or love—are expressed, explored, or discussed.
emotional conversation
(adj) sad
unhappy/ʌnˈhæpi/