Hi, myself Anna Davis.
Hello Anna, how can I help you today?
I would like to change my flight reservation as my father is unwell. Could you please help me?
Sure, I will help you with that. Please wait for a moment.
Sure, I will wait for your reply.
Sorry Anna, no active reservation found under your name.
No problem. Anyway, thank you for checking.
It's my pleasure, have a nice day.