A competent clerk should ask questions about whether the customer wants a cheaper fare, or wants to get there quickest, or is happy to go more slowly or less direct for less money, or will accept restrictions, for example.Is spending time to root out a cheaper fare (which by definition involves changing the revenue received by one operator over another) considered partial or impartial?
You could argue it is being partial to the fare setter/revenue reciever of the cheaper ticket.
The big problem is not every customer will want this conversation; I would estimate you need to ask between 6-12 questions of a customer to be certain of selling the absolute best fare for their needs. Think of a passenger approaching a ticket office at Edinburgh and saying they need to go to London. How many questions, and how long, does it take to ensure the customer gets the correct ticket? Being presented with options verbally is not how most people of my generation would prefer to receive the information, and for this reason, there will be a generational shift away from Man Behind Glass Selling Tickets.
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It's almost like the railway might want to think about offering this facility online!Unless you want to use RTVs or PRIVs
