answer: Lucy asks her dad for permission to travel around South Asia with Mary and Susan. Her dad asks her to speak to her mom.
documents: #Person1#: Dad, I want to travel around South Asia this summer holiday. Do you agree?
  #Person2#: I am not sure, Lucy. You are only 18.
  #Person1#: But I won't be traveling by myself.
  #Person2#: Who would like to go with you?
  #Person1#: Mary and Susan.
  #Person2#: Where would you stay?
  #Person1#: We stay in youth hotels.
  #Person2#: They are not expensive, are they?
  #Person1#: No, they're cheap and we may meet lots of young people there.
  #Person2#: I don't know what to say.
  #Person1#: Just say yes, please.
  #Person2#: How long are you going to stay there?
  #Person1#: 3 weeks to a month.
  #Person2#: I'm still not sure. You ought to speak to your mother.
  #Person1#: OK, I will.