Hi.
user
Hello. How may I assist you?
assistant
I want to cancel my reservation which is done recently due to some problems, can you please help me?
user
Sure, may I know your name please?
assistant
Sure, my name is Margaret Brown.
user
Sorry I have searched with your name but I could not find your flight reservation to cancel it.
assistant
Ok, that's fine. Thank you for your service.
user
Thank you.
assistant