It requires new implementation:
Having the possibility of price per week depending on the people.
example:
room 1
min 7 nights
from 02/02/2015 to 09/02/2015
Max people 2 people 1 min
€ 400
room 1
min 7 nights
from 02/02/2015 to 09/02/2015
3 people 3 people max min
€ 450
room 1
min 7 nights
from 02/02/2015 to 09/02/2015
max 4 people min 4 people
€ 500
good job
