【课程】旅游英语12-退房

check outpaypenaltycash extenddiscounttraveler's checkreceiptcheckmistake1. I'd like to check out, please.2. I'll check out of Room 102 today.3. Please send a porter to help me with my luggage.4. Can we check out just a few hours later?5. May I extend my stay until next Monday?6. It's fine, but there is an extra charge.7. Is there a penalty for late checkout?8. What's this for? This charge was for your international calls.9. There must be some mistakes.