hotel

types of hotel: motel, inn, B&B British English, guesthouse British English 

types of room: double room =has a bed for two  

 people
twin room =has two single beds 

single room =for one personsuite =has two or more rooms  

people who work at a hotel: desk clerk =gives you your key
 

bellboy British English/bellhop American English   =takes your bags up to your room 

maid also chambermaid =cleans your roommanager
 

someone who is staying at a hotel: guest
 

the place where you check in, check out, and pay your bill: front desk, reception British English
 

an arrangement to stay at a hotel: reservation also booking British English
 

hotel services: room service, wake-up call