Automated Quote Email Reminders

Hey Community,

I'm working on setting up three separate emails to go out to clients to remind them to book after we have sent out a quote. I only want this sent out to people who have received a quote and have NOT responded at all. My idea was to have these 3 emails go out 3 days after the quote went out, 7 days, and 14 days. If they respond, I do not want the rest of the automation to function for the other days. I am running into trouble trying to set up the correct filters for this automation. I have two examples of how this could go below:

EX1 - No responses

1. Day 1 - Initial quote email sent out
2. Day 3 - Still no response, Quote reminder #1 sent out to client
3. Day 7 - Still no response, Quote reminder #2 sent out to client
4. Day 14 - Still no response, Final Quote reminder sent out to client

EX 2 - Response midway through automations. Stop future automations

1. Day 1 - Initial quote email sent out
2. Day 3 - Still no response, Quote reminder #1 sent out to client
3. Day 4 - Client responds to the quote but still has questions
4. Automation for emails 2 & 3 removed

Has anyone done something like this before? Could you help by sharing the filters you used to set this up?

I wanted to set this up based on the date the quote was sent out, and when I reached out to support, they mentioned I should use "email log sent date/time" to reference that they haven't responded. That makes sense to me for day 3 when we want the first email to go out but then I am getting confused on how best to set this up for day 7 and 14.

Any and all help would be greatly appreciated. Thanks so much!