A 28-year-old woman presents to the outpatient clinic with a 3-week history of mucopurulent cervical discharge and dysuria. She is sexually active with a new partner 6 weeks ago. Pelvic examination reveals cervicitis with a friable cervix. Nucleic acid amplification test (NAAT) on endocervical swab is positive for Chlamydia trachomatis. Her partner is asymptomatic. Which of the following is the most appropriate next step in management?