reception (n)
/rɪˈsep.ʃən/

the place in a hotel or office building where there is someone whose job is to welcome visitors

lobby (n)
 /ˈlɑː.bi/

the area just inside the entrance to a hotel, theatre, or other large building

elevator (n)
/ˈel.ɪ.veɪ.t̬ɚ/

a small room that carries people or goods up and down in tall buildings

suite (n)
/swiːt/

a set of connected rooms, especially in a hotel

reservation (n)
/ˌrez.ɚˈveɪ.ʃən/ 

an arrangement by which something such as a room in a hotel is kept for you to use later

single room (n)
/ˈsɪŋ.ɡl̩ ruːm/

a room in a hotel for one person

double room (n)
 /ˈdʌb.l̩ ruːm/

a room in a hotel for two people

key card (n)
 /ˈkiː.kɑːrd/

a small, plastic electronic card that is used instead of a key to open a door

waiting list (n)
 /weɪt̬ɪŋ/ lɪst /

a list of people who have asked for something that is not immediately available but will be in the future

registration form (n)
/redʒ.ɪˈstreɪ.ʃən fɔːrm/

a officially printed list of questions that records name or information.

vacancy (n)
 /ˈveɪ.kən.si/

a space or place that is available to be used

available (a)
/əˈveɪ.lə.bl̩/

able to be bought or used

fill out (v)
/fɪl aʊt/

to write the necessary information on an official document

deposit (n)
/dɪˈpɑː.zɪt/

an amount of money that you pay as the first part of the total payment for something

receipt (n)
/rɪˈsiːt/

a piece of paper that proves that money, goods, or information have been received

luggage (n)
/ˈlʌɡ.ɪdʒ/

bags and suitcases that you take on a journey

room number (n)
/ruːm ˈnʌm.bɚ/

a number assigned to a particular room within a building

porter (n)
 /ˈpɔːr.t̬ɚ/

a person whose job is to carry things, especially travellers' bags at airports, hotels, etc.

peak season (n)
/piːk ˈsiːzən/

the time of year when a lot of people travel and prices are usually at their highest

rate (n)
/reɪt/

a fixed amount of money that is paid daily for a hotel room