answer: Grace Williams, as a newcomer, comes to the office. Grace and Peter introduce themselves to each other.
documents: #Person1#: Good morning! I am a new comer in our office.
  #Person2#: Good morning! Welcome to our office!
  #Person1#: Nice to meet you! My name is Grace Williams.
  #Person2#: Nice to meet you too! I am Peter Smith.
  #Person1#: Today is my first day at work!
  #Person2#: Well, hope you will enjoy your first day! Just ask me if you need any help.
  #Person1#: Thank you. It's very kind of you.
  #Person2#: You are welcome.