You are almost done...

For your purchase of training course admission...

[reg_Course_Title]
delivey method: [reg_sched_Loc]
from: [reg_sched_StartDate], to: [reg_sched_EndDate]
students: [student_count]
details: [reg_sched_Info]
registration id: [reg_ID]

The total of [reg_total_Price] is due.