Could you tell me which tour is the best for this season? 你能告诉我哪一个旅行线路是这个季节最好的吗?

A short term tour or a long-distant tour? 一个短期的旅行，还是长期的?

Do you have any other tour? 你们还有别的旅行(线路)吗?

Would you please recommend some popular tours? 你能推荐一些流行的旅行(线路)给我吗?

What kind of tours do you have? 你们有哪几种旅行(线路)?

Do you have a full-day / half-day / night / morning tour? 你们有全天游/半曰游/夜游/清晨游吗?