Hello. I am David Jackson.
user
Hello, how may I guide you?
assistant
I would like to cancel my recent booking due to some health issues, can you help in that?
user
Sure, I am here to help you.
assistant
Thank you.
user
Please give me a minute to check your reservation.
assistant
Sure.
user
Sorry, there is no reservation found on your  name to cancel.
assistant
Ok, that's fine, no issues with that one. Thank you for your quick search.
user
Thank you for reaching us. Have a nice day.
assistant