Don't send her several messages begging for a chance.
A better approach is honesty; putting your intentions out there and letting women come to you.
Messaging on FetLife is free.
After reading your bio, some women will immediately unmatch with you, but others will continue the conversation.
Once you get to matching and talking, keep the conversations brief.
As the most populous city in western Asia, with a population of fourteen million if you count the wider metropolitan region, Tehran has its fair share of complex urban problems.