invoice data sheet.HELP PLEASE!!!!!!!

i have an invoice sheet to keep the records like date,time,name,order,department...etc

i have 2 questions;

1.i wonder once when i have an data form is there any way to keep it all the time and get it ready again when i open the worksheet
another time ??

2.i want to prepare an order confirm letter depending the data i filled in.imagine its stg like this, is there any way i can make a letter format which gets the data from the row i fill in. like "dear ...............(which could be the name from h5), you have ordered "....."tea& coffee.."...and so on


BuffetOTHERDateTimeLocationTea& CoffeeBiscuitSandwichSand.DeluxBuff.quantityBuff.pricewater &juicecommodity_1quantity_1price_1KJKJKJKJKJKJ
PLEASEEEEE HELLLLLLLLLLPPPPPPP!!!!!!!!!!!!!!