i would like a uber like system with coaches on demand, ready to talk with me when I push the button vs. having to make appointments. It's okay if each coach is

i would like a uber like system with coaches on demand, ready to talk with me when I push the button vs. having to make appointments. It's okay if each coach is different and I never get the same coach twice (or rarely do) as long as each coach in the system is good. Becausing having to plan the date and time I'm going in for a coaching session just ruins it for me. I want to be walking home after work and spur of the moment, coaching session, right now at Dennys, go.