reservationist,express service,concierge service在饭店中的解释（用英文）

Reservationist:
People who make hotel/restaurant reservation for guests
Express service:
Usually,hotels have their forwarder partners who can provide guests with transportation of goods between different areas
Concierge service:
In hotels,a concierge assists guests with various tasks like making restaurant reservations,arranging for spa services,recommending nightclubs,finding escorts,procurement of tickets to special events and assisting with various travel arrangements and tours of interesting places to visit.