Generate an opt-in confirmation phrase.
User Name: Sarah
"Welcome, Sarah! To confirm your opt-in, please click on the button below and get ready to enjoy our exclusive features."
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate an opt-in confirmation phrase.

### Input:
User Name: Sarah

### Output:
"Welcome, Sarah! To confirm your opt-in, please click on the button below and get ready to enjoy our exclusive features."