My supermarket removed all the self-service checkouts. It's annoyed some customers — but the staff prefer it.

• Booths, a UK supermarket chain, recently removed almost all its self-service checkouts. 
• Customer assistant Marti Stelling shares how the move has affected her job.
• The end of self-service checkouts does have some drawbacks for employees, she says. 

This as-told-to essay is based on a conversation with Marti Stelling, a customer assistant at Booths. The following has been edited for length and clarity.

I have worked at Booths as a part-time customer assistant for the last five years.

Booths is a high-end supermarket in the UK. I work there during all my vacations from studying and I like returning because it's a people-centric job.