Booking a Doctor's Appointment: what to say in English

Hi, I'd like to book an appointment with Dr. Chen, please. Do you have anything available this week?

Requesting an appointment with a specific doctor.

It's kind of urgent. I've been feeling really off for the past few days. Can you fit me in sooner?

Expressing urgency for a sooner appointment.

I'm a new patient here. Do I need to bring anything or fill out any forms beforehand?

Inquiring about requirements for new patients.

We can fit you in on Thursday at 2:30. Does that work for you?

Offering an available appointment time.

Please arrive 15 minutes early to fill out some paperwork. And bring your health card.

Instructions for arrival and required items.

I'm sorry, but something came up. Can I reschedule my appointment to next week?

Requesting to change the appointment date.

Do you have a cancellation policy? Will I be charged if I cancel less than 24 hours before?

Asking about cancellation fees and policies.

Actually, the earlier the better. If anyone cancels, could you put me on the waitlist?

Requesting to be added to a waitlist.