Finally , I called the United reservations number and reported the Dulles domestic check - in problem . The representative placed me on hold and checked with IAD operations . She came back on line and told me that there was a shortage of employees that day . I was very satisfied with that answer , though this did n't excuse United management 's responsibility to at least direct passengers , employees , and contractors to keep the lines moving .

Question: What may happen if they have fewer employees ?
Answer: People might miss their flight if the wait is too long .People might setup tents and camp inside the airport .None of the above choices .People might catch their flight early if they have to wait .