V Fashions sent out a flyer featuring their new spring fashions. Vo Ha Tram fell in love with the cute dress featured on the front of the flyer. When Vo Ha Tram called to order the dress, she was informed that the company had sold out of the dress. She was upset and claimed that the store was in breach of contract. She argued that the flyer presented an offer, which she accepted when she called to order the dress. Question: Is Vo Ha Tram correct? Why or why not? According to Vietnam Law, what kind of contract that made by V Fashions and Vo Ha Tram? Give your quoted article(s)of suitable law/sublaw.