How would that work? Don't you need ID on the reserved spot plus how would you both get the same dates? These spots fill up fast! Assuming you are able to overcome those potential issues, how much is a ticket worth?
Just a reminder someone posted they were charged $150 for cancelling their date i dont think anyone is going to sell for less than that just as insurance against getting stuck with a penalty fee. You're prolly looking at $500 for someone to go through all the troubles of setting you up with their reservation.
So I checked the site and the ticket is transferable to another person within a small range of qualifying individuals like immediate family etc. not a biggie, the problem however is liability on the vehicle. There is an optional insurance plan for $135 which limits liability to $5k in damages to the insured but that's still a big liability to the person who makes the reservation with their VIN.