Hello there 🙂.  How are you today?
I am good, how are you? 
I'm doing great thanks!  My first priority is to get some extra water.  I stay very active and really try my hardest to drink a lot of water.
I need lots of water too.  We're camped at an RV and there are no streams or available water sources.  Though we do have plenty of canned food in the RV 
Sounds like perhaps we are placing the same value on things.  I do not need much extra food either.  I am not a big eater.  I would like some extra firewood as well however. 
Then yes, we are in the same situation.  I also place high importance on firewood and less so on food.  What's your proposal
If I give you 2 water packages would you be willing to give me 2 firewood and 2 food packages?
ok that works 🙂
Ok great thank you for working with me 🙂
It's been a pleasure and have a great rest of your day