Hello.
Hello. Can you please let me know what help you are looking  for?
I want to cancel my recent reservation because of some health issues, can you please help me out?
Of course, I will help you with that.
Thank you.
Can you please provide the name which is on your previous ticket?
Sure, my previous reservation is on the name of Kathleen Collins.
Ok, please give me a minute.
Sure.
Sorry for the inconvenience, I am unable to find your past ticket in our database.
No problem, thank you for your information.
You are welcome. Thank you for choosing us.