Same-day reply
In Bali hours. WhatsApp rather than a ticket system.
Contact
WhatsApp is the fastest route. It reaches a specialist, not a queue.

Four things get you a real answer instead of a brochure: your dates, how many of you there are, roughly how long you want to be aboard, and anything you specifically want to see.
What happens next
Practical
Dates, numbers, nights, and what you want to see. That is enough for a real shortlist.