To delete your dating.com account, go to your profile, click settings and click delete account.
Here is the step by step screenshots to do it easily.
Step 1
Log into your dating.com account.

Step 2
Click the three lines and select setting from the menu.

Step 3
From the settings tab, click Go Here under Manage account section.

Step 4
Click Delete Profile radio button.

Step 5
Now click confirm below the Continue Using button.

Step 6
Choose your reason for leaving dating.com and click confirm.

Step 7
Enter your login password and click Delete profile.

Your Dating.com account should be successfully deleted.