Im in australia an i need to talk whit an agent, my email is [removed]

I made my Canadian tax return and paid for the service that offered help but it has been impossible for me to communicate with turbo tax, I am very dissatisfied with the service, they do not offer any contact email or contact number, I am not in Canada so I don't have a cell phone number for them to call me, how can I contact them? My phone number is +xxxxxxxxxxx and my email is xxxxxxxxxxxxxxxx@xxxxx.xxx