We have a holiday booked with love holidays due to go out next week, however my parent is critically unwell and on end of life care (wasn’t at the time of me booking this holiday) however I called to have it amended today and they said someone will be in touch. We want to now change it for November. They are now asking for £1400 more plus whatever Tui will ask as our return is with them. However when calling to have it amended today they said it’s based on live booking and that currently is £3500 for november and we paid £3600 for October. How do they work the difference out?