It is rude to make unwanted romantic advances.
John wants to ask Daisy, his coworker out to dinner.
John wants to pursue a romantic relationship with Daisy.
John asks Daisy for her number and tells her he would like to take her out to dinner.
John gets Daisy's number from a friend and keeps texting Daisy even though she has said no.
Daisy tells John she will think about it and let him know later on.
Daisy gets annoyed and reports John to HR.