Mermaid flowchart

gistfile1.txt

graph LR
A(Appointment) --> B(Charge card)
B --> C{Success}
C -->|Yes| D[Gen invoice no] 
C -->|No| E[Log failed payment]
D--> F(Create record in table, status=paid)

M(Chat) --> N(Chat complete)
N--> O(Charge Card)
O --> P{Success}
P-->|Yes| Q(Gen inv number)
P-->|No| S(Create record in table, status=pending)
Q-->R(Create  record in table, status=paid)
S-->T(Retry charge 7 times)
T-->U{Success}
U-->|Yes| V(Update status=paid)
U-->|No| X(Update status=bad_debt)