Hello! I want to make a purchase of some essential needs for me and my family.
Hello, the trip sounds like it will be a lot of fun.  What is the most important essential package for you and your family?  I know we didnt bring a lot of food so I am looking for more of that than anything else.
Yes! Hope for lot of fun. Is there any special deal can you offer for maximum order.
What item are you looking for the most of?  
Water and food is on high need than the firewood. Expect for the best combo for food and water.
I brought plenty of water.  I think I could give you all 3 water. Food is what I need the most of so wonder if I took 2 packages of food and left you 1?
It's better to give 2 packages on both 
2 packages of both of what?  Water and food?
I mean water and food
Is food something you need the most of or is it water?
I need 2 packages of both food and water on each
Food is a hard one to give 2 packes of since I dont have very much and need to feed my family.  We do have plenty of water though.  Would you be willing to take 3 packages of water and only get 1 package of food?
Is any other item is left with you to add 
I would be willing to give you 3 water, 1 food, and 1 firewood which we be 5 packages for you.  I would take 2 food and 2 firewood which would be 4 packages for me
Someone have to be compromise and I agreed to the above said one.