Hi paddingtonbear9,
Thanks for taking the time to post about your issues in the Community. ⭐
We're sorry to hear you're having trouble rearranging your engineer appointment.
Taking a look at things this end, I can see you've already spoken to my colleague who has been able to get things rearranged for you.
If you have any further issues, please pop back and let us know so we can help further.
Many thanks,