British Airways Phnom Penh Office  +1-888-839-0502 
https://www.officeairme.com/british-airways/british-airways-phnom-penh-office-in-cambodia/

I had a really positive experience at the British Airways Phnom Penh Office. When I had questions about my trip, the staff was friendly, competent, and prompt. They provided me with clear and effective guidance when I wanted to adjust my flight schedule. They provided helpful suggestions based on my choices and carefully set out each option. The encounter was more relaxing because of the office's serene, orderly, and well-kept atmosphere. Having in-person access to such high-quality service is comforting. This office is a dependable location for timely, supportive assistance for anyone flying with British Airways.
I visited the office to make changes to an existing booking due to a sudden change in my work schedule. Upon arrival, I was warmly greeted by the front desk staff. The office environment was welcoming, clean, and organized, which immediately put me at ease. There was a quiet, professional atmosphere, and the staff worked in a well-coordinated manner to attend to customers quickly without rushing through interactions.

I was assisted by a polite and knowledgeable representative who took the time to fully understand my situation before offering solutions. They patiently reviewed my travel itinerary, explained the options available for rescheduling, and clearly broke down any fare differences and policy implications. What I appreciated the most was their transparency—there were no surprises or unclear terms. Every detail was communicated with clarity and professionalism, making it easy for me to make an informed decision.

The representative also helped me with some questions I had regarding baggage allowance and transit policies, especially because my revised route included a long layover in London. They were incredibly informed and provided updated information in line with current airline and airport regulations. Their familiarity with international travel rules, visa requirements, and even airport services was impressive.