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