Today’s lesson is brought to you by Michael at Happy English, providing students with the opportunity to learn practical English language skills and build speaking confidence.
We use appointment with a person, generally a professional like a doctor, lawyer, or the dean of a university.
I will make an appointment to see the dean.
I have an appointment with my dentist.
We use reservation with a company, generally for travel and entertainment, like flights, hotels, and restaurants.
I made a reservation at the steak house.
I have a hotel reservation for two nights.
We use plans* when we have arrangements with friends or family.
I made dinner plans with Jane tomorrow.
I have plans to take my sister shopping.
*Note: Plans is always plural.
I have plans with Jim.
NOT: I have a plan with Jim.
You can use make + appointment/reservation/plans to describe the action of arranging it.
I need to make an appointment with the dentist.
I made a reservation for the restaurant on Friday.
You can use have + appointment/reservation/plans
I have plans with my friends this weekend.
I have an appointment with my doctor tomorrow.
Fuente: Year Of English
http://www.yearofenglish.com/