vietnam airlines sydney office in australia is located at Level 2, Suite 8, 14 Martin Place, Sydney, and can be contacted by phone . The office is open from Monday to Friday from 9am to 5pm. The office also has a website, www.vietnamairlines.com.au, where customers can book flights and find more information. Customers can also contact the office by email at info@vietnamairlines.com.au. Customers can also visit the office in person to ask questions and book flights. They can also take advantage of the online chat feature available on the website. The staff at the office are friendly and helpful and can assist customers with any queries they may have. For example, if a customer has a question about the airline's COVID-19 policies, the office staff can provide them with up-to-date information. Furthermore, customers can take advantage of the friendly and knowledgeable office staff for any additional assistance that they may need, such as answering questions related to COVID-19 policies.