Hello.
user
Hello, how can I assist you at this moment?
assistant
Can you please assist me to cancel my existing reservation? Because I am unable to catch the flight due to some health issues.
user
Sure, I am happy to help you with that.
assistant
Thank you.
user
Can I have your good name please to check your reservation status?
assistant
My name is Nicholas Roberts.
user
Ok,  please wait a moment.
assistant
Ok, take your time. I will wait for your reply.
user
Sorry to inform you that no reservation has found under your name to cancel.
assistant
It's ok, not a problem with that. Thanks a lot for providing the information.
user
Thank you for choosing us, have a good day.
assistant
Most welcome.
user