What is the fine-grained topic of the following text: The Bangkok-based low-cost carrier started flying to Muscat and Tehran in June this year, but flights to Iran’s capital city ceased operating on Dec. 5 and the Oman flights will be suspended on January 19, 2017, Travel Daily Media reported, quoting the Bangkok Post. Only return the topic.
Suspension of Bangkok-based low-cost carrier's flights to Muscat and Tehran