I'm tentatively planning a trip to...

Translation language

Meaning

I have a preliminary plan for a trip, but it's not yet confirmed.

John: I'm tentatively planning a trip to Greece in October.

Alice: Oh, that's exciting! Have you booked flights yet?

John: Not yet, it's still early days. I'm tentatively planning a trip to Greece, but things might change.

Alice: Well, keep me updated! I hope everything goes well with your plans.