Hello, how are you doing today?
Hi! I am doing good.What about you?
Doing well, I'm exciting about my next camping trip with my family. 
Yeah that's fine.What you need the most?
I need food because I have mouths to feed and maybe a firewood?
Okay . How much You need each?
3 Food and 1 Firewood? You get the rest?
That's fine.I will accept your deal.Tell me the reason why you need the item?
Food for the family, and firewood is a good tool to purify water and cook. Also wanted to make a win-win deal
Good.You explained me very well.I like your demand and your needs.