person A: I am so nervous.  I have to go to the dentist tomorrow to get a filling replaced. 
person B: Are you afraid of the dentist?
person A: I am!  I had a bad experience with one when I was younger.
person B: I'm sorry to hear that_comma_ I'm pretty terrified of the dentist myself. Ask for gas! Good luck_comma_ I'm sure everything will be just fine.