How do i change The From name in the email

Also, how can i change the From name of the email from my name to UKGirlThing?

I can't see where to do this?

Yes, it is possible to change the sender name from your name to UKGirlThing. To do that you can add another textbox field with default value as you see below:

Then, you can choose that field as a sender name.

Here is how it works on my side:

If you need further assistance, please let us know. We will be happy to help you.