Choose the right sentences to complete the dialogue and fill in the blanks with the right number of each sentence.A:_____1______B: Yes，I am.A:Good morning, Mr.Black, How nice to finally meet you. _______2_____A.Glade to see you, too, Amy.A.Welcome to Changsha. _______3______B._______4_______A: Oh, it was really a long flight. We have already booked a room for you to have rest first. _____5________B: Thank you