The 23rd ASEAN Congress of Anesthesiologists (ACA2023) 1-3 September 2023 at the Royal Orchid Sheraton Hotel & Towers, Bangkok, Thailand. All reservations are required to be guaranteed by a valid credit card. Payment of room charges will be made at the checkout, either by cash or credit card. Cancellation Policy: No charge if made before 11:59 pm 16 August 2023. A full charge of the total stay will apply if made after the deadline. Airport transfer: a Toyota Camry (maximum 3 persons), THB 1,800 net one way, a Mercedes Benz E-Class (maximum 3 persons), THB 2,500 net one way, In case of date changes, cancellations or airport transfer requirement, please email Res172.royalorchid@sheraton.com or call +66 2 266 0123 and speak to the Reservation.