Adding this polite service cross to the guest service will do anything: please, hello, thank you, sorry, goodbye. ...

For example: 1, hello, front desk (cashier, reception desk), what can I do for you?

2. Thank you for your reservation, and we look forward to your visit;

3. Sorry to have kept you waiting;

4. I wish you a happy life;

5. I wish you a pleasant journey;

…………