 when someone is arriving. Welcome. Welcome back. Come in. It's good to meet you. It's good to see you again when someone is leaving. It's been nice talking with you. Have a good day or have a nice day. Have a nice weekend. Have a nice trip. Have fun. Keep in touch. Encouragement. Good luck. Good luck on your test. You can do it. Do your best. Do the best you can. Work hard. Keep up the good work. Reassurance. Take it easy. Don't worry. That's okay. It's going to be alright. Everything will be fine. No problem. Responses to good news. Wow. That's great. That's wonderful. That's really good news. I'm glad to hear that or I'm happy to hear that. Congratulations. Good for you. Good job. Responses to bad news. That's too bad. That's really sad. That's terrible. I'm sorry to hear that.