busy /ˈbɪzi/ (adjective) having a lot to do; perhaps not free to do something else because you are working on something Example: Alfred was busy getting ready for his vacation
coincide /ˌkəʊɪnˈsaɪd/ (verb) to take place at the same time Example: My cousin's wedding coincided with a holiday weekend, so it was a perfect time to rent a car and go for a drive
confusion /kənˈfjuːʒn/ (noun) a state of not being certain about what is happening, what you should do, what something means, etc. Example: To avoid any confusion about renting the car, Yolanda asked her travel agent to make the arrangements on her behalf
contact /ˈkɑːntækt/ (noun) the act of communicating with somebody, especially regularly Example: Manuel contacted at least a dozen car rental agencies to get the best deal
disappoint /ˌdɪsəˈpɔɪnt/ (verb) to make somebody feel sad because something that they hope for or expect to happen does not happen or is not as good as they hoped Example: Leila was disappointed to discover that no rental cars were available the weekend she wished to travel
intend /ɪnˈtend/ (verb) to have a plan, result or purpose in your mind when you do something Example: Do you intend to return the car to this location or to another location?
license /ˈlaɪsns/ (verb) to give somebody official permission to do, own, or use something Example: A driver's license allows you to operate a motor vehicle legally
nervously /ˈnɜːrvəsli/ (adverb) in a worried or frightened way Example: As we approached the city Lonnie started driving nervously, so I volunteered to drive that part of the trip
optional /ˈɑːpʃənl/ (adjective) that you can choose to do or have if you want to Example: Check this box if you wish to have this optional insurance
tempt /tempt/ (verb) to attract somebody or make somebody want to do or have something, even if they know it is wrong Example: I am tempted by the idea of driving across the country instead of flying
thrill /θrɪl/ (noun) a strong feeling of excitement or pleasure; an experience that gives you this feeling Example: Just taking a vacation is thrill enough, even if we are driving instead of flying
tier /tɪr/ (noun) a row or layer of something that has several rows or layers placed one above the other Example: If you are on a budget, I suggest you think about renting a car from our lowest tier