TD Garden

I purchased 7 tickets from Ticketmaster for Andrea Bocelli and 2 additional tickets from ticket.com
Unfortunately, Andrea Bocelli had to cancel the show and it was very heartbreaking. Thank God Andrea Bocelli is doing better and has rescheduled. Unfortunately, some family members are out of town and will not be able to attend new show. TD Garden had this notice posted on their website word for word:

Customers from prior show date may retain original tickets to use on the new date. Refunds will be available through 12/18/23 at point of purchase.

Please note this notice is no longer posted on their website.
After leaving several emails and voicemails with TD Garden this week I have not received any answers.
On 12/13 Ticket.com refused making refunds and 12/16 ticket master informed me that the event organizer is not offering any refunds. Ticketmaster offered me TD Garden phone number which is a roadblock. I have left several voicemails and several emails to customerservice@tdgarden since 12/13 I have received 1 auto response to a link regarding Andrea Bocelli that I mentioned above. Ticket.com doesn't want to offer the refund and TD Garden does not have anyone picking up to assist customers questions or concerns. I would just like to receive the refund on the seats I am unable to use seeing the refund is valid until 12/18 according to the refund policy TD Garden offered.

[A default letter is provided here which indicates your acceptance of the business's response. If you wish,
you may update it before sending it.]
Revdex.com:
I have reviewed the response submitted by the business and have determined that the response does satisfy my issues and/or concerns in reference to complaint #***I understand that by choosing to accept the business response that my complaint will be closed as resolved.
Regards,
*** ***

HelloThank you for contacting usWe are very sorry to learn of your poor experience during your visit with us at the TD GARDENWe want to fully understand the service failures you experience and how we can best address this issue with the appropriate staff to avoid these kinds of service
failures in the future. To ensure we are able to resolve this matter in a timely fashion please provide us with the following information: Please provide your exact seating location ( Sec, Row and seats) along with a copy of your tickets.Please describe the uniform of the associate you encounteredPlease tell us at approximately what time you tried to go to your seats and the seats where taken.Please clarify for what reason and at what time did your boyfriend tried to purchase tickets? We are looking forward to working with you to resolve this matter in a timely mannerThank you for giving us this opportunity.*** ***

Hello!This complaint has been addressed with Mr. [redacted] and a service recovery effort has been made and accepted by him.  Best, [redacted]TD GardenGuest Experience Manager