["I was thinking about going camping, but I'm worried about the weather ruining it.", 'Is it possible to re-arrange the date to when the weather would be more favorable?', 'Unfortunately not, this time is the only time I can get off work until a few months later.']
I see. You shouldn't let it spoil your plans. Go and have fun but take a rain coat with you!
I was thinking about going camping, but I'm worried about the weather ruining it.