Dear Mrs. Smith,
I would like to apologize for the disappointment caused to you on behalf of the company.I am deeply sorry that your journey to Japan was scattered with some regrets. I assure you that your complaint has been forwarded to the concerned department and strict action is being taken to rectify the situation.
Your satisfaction with our services and your feedback as a client are of the utmost importance to us. I would be happy to answer any further queries while we look into this matter. Thank you for your patience.
Best regards,
Li Ming