Should I contact the admissions office? Interview Question

@skieurope and @jzducol
My D received the first interview request within 48 hours of applying. At first, she was receiving email on every Wed. with link to select interview date/time. However, each week there were no availabe slot. She patiently waited for 3 weeks then finally contacted local alumni rep. Then she was matched with a interviewer at late Jan. She contacted him twice but was not able to schedule interview yet due to her interviewer’s schedule availability. Should she contact alumni rep again or just wait?