B: How are you feeling?
A: I doing pretty okay.
B: I can't stand the weight of my rucksack, it's really heavy.
A: I will carry it for you for a while.
B: Okay, thank you. Besides, I am very tired.
A: Shall we sit down for a 30 minutes and take some rest?
B: Great! I want to drink something.
A: I will give you some water. Here you are.
B: Oh, thank you! I will buy us some more water at the next stop.