(I'm) delighted to have you (here).
and (We're) delighted to have you (here).You're welcome here any time.; Glad you could come. (See also
(It's) good to have you here.)
Bill: Thank you for inviting me for dinner, Mr. Franklin. Bill: I'm delighted to have you. "We're delighted to see you," said Tom's grandparents. "It's so nice to have you here for a visit."(I'm) delighted to make your acquaintance.
Fig. I am very glad to meet you. Tom: My name is Tom. I work in the advertising department. Mary: I'm Mary. I work in accounting. Delighted to make your acquaintance. Tom: Yeah. Good to meet you. Fred: Sue, this is Bob. He'll be working with us on the Wilson project. Sue: I'm delighted to make your acquaintance, Bob. Bob: My pleasure.