Hello.
user
Hello, how may I assist you?
assistant
Due to some health issues, I would like to cancel my recent reservation. Please help me out.
user
Ok, may I know your name to check with your existing reservation?
assistant
My name is John Miller.
user
Ok, please wait for a moment till I check with availability.
assistant
Sure, take your time.
user
John Miller, there is no flight reservation by your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us.
assistant