If the speaker says, “We’re gonna go to Paris in a few days, um, then we’re off to Venice,” you would caption it this way:

We’re going to go Paris in a few days, then we’re off to Venice.

We are going to go Paris in a few days, um, then we are off to Venice.

We’re gonna go to Paris in a few days, then we’re off to Venice.

We are gonna go to Paris in a few days, um, then we are off to Venice.

We're gonna go to Paris in a few days, um, then we're off to Venice.