Hi.
user
Hello. How may I assist you now?
assistant
Could you please cancel my recent reservation due to my health issue?
user
Sure, may I know your name to check please?
assistant
My name is Brian Walker.
user
I am sorry to say, there is no flight reservation by your name.
assistant
Not a problem, thank you for checking.
user
Thank you for choosing us. Have a nice day.
assistant