Hi.
Hello. How may I aid you?
Due to health issues, I need to cancel my recent reservation. Please help me with that.
Sure, I am here to help  you out.
Thank you.
May I know your name please?
I am Eric Walker.
Wait a moment please.
Ok.
Eric Walker, we haven't found any reservation under your name in our database.
Thank you for your information.
Thank you for choosing us.