How can i say we only have "Walk-ins" no appointments in spanish?

Question

Okay I Have Clients Come In And Say Do You Make Appointments And I Say No We Only Do Walk-Ins, And Sometimes Clients Only Speak Spanish So How Do I Let Them Know We Only Do Walk-Ins In Spanish?

Answer 1

The answer above is incorrect, we say in Spanish:

No damos citas con hora, puede venir sin hora.