Assistable ai capabilities

Looking for experts to clarify if the following capabilities are available with Assistable. I know these are a handful of questions, but would appreciate anyone who can help. Thanks in advance.

Booking directly to Google calendars instead of to GHL calendars
Booking multiple appointments in 1 voice call or sms or live chat conversation
Looking up orders for an eCommerce business through voice and conversational AI
Quality of foreign languages in voice ai calls e.g. Vietnamese, mandarin, Japanese
Stability and reliability of platform to be deployed in production
Availability of MCP