旅行, りょこう
Takes suru, Intransitive
travel, trip, journey, excursion, tour
いつ旅行においでになりますか。
が
Particle
1. indicates sentence subject (occasionally object)
2. indicates possessive (esp. in literary expressions)
Conjunction
3. but, however, still, and
after the volitional form of a verb
4. regardless of, whether (or not)