This is a task for student to generate their own dialog, for example:
Janet: "Hey Mike, it's Janet! How are you doing?"
Mike: "Hi Janet, I am good. How is your trip going?"
Janet: "It's amazing, I'm having a fantastic time here. I have done so much, lots of fun. I have made great friends."
Mike: "That is nice. Tell me more. What have you done?"
Janet: "We have been sailing, water skiing and other cool things. I even visited Legoland. It was awesome!"
Mike: "That sounds great!"
Janet: "Yeah, I can't wait to show you all the photos when I get back."
Mike: "Looking forward to it. See you soon."
Janet: "See you!"