réservezréserver
réservezréserver is a French verb conjugation. The infinitive form of the verb is réserver, which means "to reserve" or "to book" in English. The word "réservezréserver" appears to be a combination of two forms of the verb réserver. The first part, "réservez," is the second-person plural (vous) imperative or the second-person plural present indicative form. In either case, it translates to "reserve" or "you reserve." The second part, "réserver," is the infinitive form.
It is possible that "réservezréserver" is a typographical error, or perhaps it is intended to be a