I went on holiday to Minorca and couldn't find a tobacconist for a few days (that sold cigars). I realised that I had no craving in this situation ie my body could be fooled. I thus made a plan an executed it two years later.
I went on holiday and at each craving time - morning, lunch etc I drank alcohol (as you can on holiday) and ate food. These sensations somewhat overlap with smoking. I made two weeks without a smoke and by then was able to return normal life. From then on I had a sandwich or something to counteract the residual craving. I put on quite a bit of weight but never smoked again for maybe 10 years. Even now I only have the odd one and could go for days without even thinking about one. Weight is easier to correct (although not trivial).
You have to understand your body is like head office management - much clever than you. But you can out-manouevre it if you confuse it.