Dear Sir / Madame,
Greetings from Vietnam Travel Service - Address: 39B Hang Hanh Street, Hoan Kiem, Hanoi, Vietnam.
We would like to express our sincere thanks for your contact/ booking with us at our website: https://www.vietnamtravelservice.com | Email: info@vietnamtravelservice.com | This is an automated email to inform you that we have NOT received your request, so please find more information at our website or contact us now. We also have 24/7 Support by Phone Number +84 968 287 393​ - Free contact by Whatsapp/ Viber/ Zalo/ Sms. Please do not hesitate to contact us at any time if you need our urgent assistance. 
With our Warmest Reagrds,
VIETNAM TRAVEL SERVICE