These are just some ideas. You might want to add to these.

Salvation
Ask questions. Locate the person.
--Intellectual, religious person: Jn.3.3 (context 1-21);  6.28,29
--A woman looking for love: Jn.4.14 (see context)
--For those who feel they have done too many bad things or feel they will not be able to hold out and be good enough: Rom.5.6,8
--Basic salvation preaching: Rom.6.23;  10.9,10

Assurance
Jn.6.37-40;  Rom.10.4-13;  1Jn.1.4-9;  3.10,18-24;  5.10-13;  Rev.3.19,20.

Baptism with the Holy Spirit
 In this, as with all God’s truths, we only want to take the plain teachings of the Word. A lengthy theological explanation is not required. It’s simple enough for a child to read and understand.
Jn.1.29,33;   7.37-39;   20.22;   Acts 1.4-8;   2.1-4, 16-18,32,33,38,39;   4.31;   5.32;   8.14-17;   9.17/1Cor.14.18;   10.44-48;   11.15-18;   19.1-7;   Eph.1.13;   1Cor.12.13;   Gal.3.27;   Lk.24.49;  Lk.11.13;  Mk.11.24.

Healing and Deliverance
Matt.7.7-11;  8.16,17;  9.35;  10.1,7,8;  Mk.1.40-42;  9.23;  Lk.4.40;  5.15;  6.19;  Jn.5.5-9;  16.23,24;  Ac.5.15,16;  10.38;  1Cor.12.9; Jas.5.14-16;  1Pet.2.24;  3Jn.2.