Just tell them what you need and sit back and relax.
All you need to care about it the vouchers you get from them.
At each point of interaction hand over the vouchers to the POC and you are taken care of in the most comfortable way possible.
I went on a trip to Bali and Bangkok. From airport-hotel transfers to the day trips, all were well planned and executed as mentioned in the meticulous itinerary they provided.