Couples Counseling Advice

I am in grad school and just started practicum. I am working with a couple and I am really struggling on how I can help them. Couples counseling is not something that I am interested in but I do really want to help them and be an effective counselor.

They want to work on rebuilding trust and better communication.

Does anyone have any advice on where to begin? What things might be helpful? What techniques? Skills? Assessments?