Is my coworker interested in me?

So I told this guy from work that I want to leave the country (as a joke) because I was so tired of work and then he said that if I leave he would come with me and he doesn't care where we go. I decided then to ask him out for a walk someday and he responded with "sounds good". Since then we have not talked about what day we would see each other and we do have different schedules so I don't know what is happening here, is he interested?
Is my coworker interested in me?
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