The site is asking me (under the expert review): how would you like to connect? callback or appointment. My question: how do I choose chatting instead

Hello, 

Chat is closed for today but will reopen tomorrow.  Please try again at another time, you can refer to the following article for assistance:

https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/tax-return/contact-us/L1h8P3E0x_CA_en_CA

Hope this helps!