human
How long should I use new led mask a day?
gpt
How long would you like to use your new mask a day?
human
30-60 minutes a day
gpt
Great!  I think you should use your new mask 30-60 minutes a day.
human
I think I will and see the results I get from it
gpt
Great.  I’m excited to see how it goes!
human
Ty! ttyl
Sounds good, have a nice day.
Have a great day!  Take care!  Talk to you soon!