If you have to cancel an outing or a vacation, you could explain that disappointments are part of life and perhaps discuss how you deal with such disappointments.
Sɛ moayɛ mo adwene sɛ mubepue anaa mubetu kwan nanso wopɛ sɛ wutwa mu a, wubetumi akyerɛ mu sɛ ɛnyɛ da biara na nneɛma bɛkɔ sɛnea ɔhwɛ kwan.