Hello. We are planning a 90 day visit to Thailand end of Nov. 2022. Coming from the US, we will apply for the 60 day visa within the 3 months before we fly, and then plan on applying for an additional 30 days in Thailand. The question is, will we have a problem with a return airline ticket that is for 90 days, before we actually get that extension? We don't want to incur change fees from the airline. Consulate in L.A. doesn't address this on their website nor do they answer the phone. Any advice? TIA