1. If you want to see him soon, you can answer, "I want to see you soon, too. Let's make an appointment. "

If you can't meet immediately, you can reply: "I want to meet you soon, too, but today may be a little difficult." We can plan the time of the next meeting in advance. "

If you feel that the other person is a little anxious, or you are not sure about his intention, you can reply, "Thank you, but I hope we can get to know each other first and then make an appointment when we know each other better."