Edit command reservations and numbers

[RunjiaChen]

Description

Once the number is updated for a contact, the details in the reservation are not added

Steps to reproduce

1. Launch the application for the first time to load initial data.
2. Make a reservation
3. Change the number for the reservation

Expected behaviour

The reservation details should change

Actual behaviour

Reservation details do not change at all

Reason for severity

If you make a reservation, there can be changes made to the details of the person, such as their contact. If you do not update the contact details, you may end up with conflicting details