Every time a customer service representative to find out the service to the customer must be aware that warning before saying "excuse me!" and every time I/to withdraw must come out to "thank you very much/I" every time as well. The serving tray is required for serving only.
Every time a customer service approach to service. Be warned that customers know it by saying "I'm sorry / I" at all times and to withdraw it must be said. "Thank you / me" all the time as well. The serving tray to be used for serving food.
Every time we go to find customers to the service. Must warn customers know first, by saying "I'm sorry" every time, and when to withdraw out will have to say "thank you". Every time as well.Only.