Hello.
Hello, how may I assist you?
My mother is not feeling well I have take her to hospital, so can you please cancel my recent reservation?
Sure, could you please provide your name to check your reservation status?
I have reserved my flight ticket with name Robert Robinson.
Ok, please hold on for a moment I will check your complete reservation details and proceed further.
Ok, take your own time.
Sorry to say, there is no reservation on your name in my database.
Ok, thank you for  checking.
Thank you for choosing us, have a nice day.