If you did not receive any income of any kind in 2019 there is no need or reason to file a 2019 tax return. The IRS will not process a tax return with no income entered.
If the IRS does not have bank information on you, then if you are eligible for stimulus funds a check will be mailed to you.
I paid $110 for assistance today but did not get any. I would like a full refund. How do I go about it?
See this TurboTax support FAQ on how to contact Support - https://ttlc.intuit.com/questions/3401489
Use the key words billing issues and do Not use the word Refund or you will get a phone number for tax refunds.