Present Perfect Vs Simple Past

A: I (see / not) you for a long time. Where (you / be) ?

B: I (come / just) back from Canada.

A: Oh really? What (you / do) in Canada?

B: I (take) a nature tour.

A: Wow! (you / see) many wild animals there?

B: Of course. I (watch) bears, wolves and whales in the wild. That (be) so interesting. (you / spend / ever) a holiday in Canada?

A: Yes, I (travel) around Canada twice so far.

B: When (you / go) there?

A: The first time I (go) there (be) in 1997 and the second time in 2004.

B: (you / enjoy) it?