Suggestions for a shy person handling emotional people?

CLT

New member
This may sound very strange, I am very shy and prefer to excommunicate myself from the world. I am often afraid people are not going to accept me or they may treat me extremely harsh. It is odd because I am use to the flaming, cussing, trolling, immature people online, but in reality I am very quiet.

What makes the situation worse is that I am working in sales and customer support... O_O (Anything moral for money)

Just the other day a very talkative woman called my business and began to constantly talk without space for me to say anything. I was very polite to her and tried to help her, but when I could not take control of the conversation she began to verbally abuse me for over an hour. I literally had to mute her and put the phone down for thirty minutes. My boss said I had to take control of the conversation, but my anxiety began to flair because there was no space for me to speak. It seems these emotional, talkative, or angry customers are my current fear in life.

May I please have some advice or tips on how to handle these people and deal with my social anxiety?
 
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