This is something we’re aware of, and we’re making changes to reduce how many “touches” a conversation gets. One way we’re doing this is by introducing a distinction between escalations and transfers.
In the past, if you wanted a limit increase you’d speak to a COp on the frontline who would assemble all the required information from you and they might then have to escalate the conversation to a specialist for them to review. This would then send the entire conversation to the specialist, away from the COp and into another queue. So it’s quite possible you could end up being escalated into several different queues before a conversation reached the right person 
We now have an escalation, where the conversation stays in the COps queue and they can keep helping you with other queries and provide updates, whilst a separate task is created in the specialists queue; and a transfer where the entire conversation is passed into the specialists queue (eg. for a fraud dispute) and a specialist will pick it up and then continue the chat until resolution 
This should help your conversation remain with one person, as the cogs turn in the background out of sight!
Issues with backlogs in specialist queues remain, but each team is working hard to reduce those through internal hiring and tooling/productivity improvements 