Our system was designed that if you change dates (Add or delete) the system will automatically re-calculate the correct charges
Here is a reservations for 1 day for 2 people
see https://tinyurl.com/y9j4jlrl
see https://tinyurl.com/y86mztdo
Now I change to 2 days, looks good
see https://tinyurl.com/ydcegcps
see https://tinyurl.com/y95hlemx
Now changing the individual person a reservation and we see this
see https://youtu.be/qmypBMJBvEc
A note on selecting dates for individuals, they are constrained by the dates for the group
see https://youtu.be/XQeDAxUlX-U