Hello.
user
Hello. How can I aid you?
assistant
Last week I got a flight ticket booked, but due to ill health I will not be able to travel. So cancel my flight ticket? I am Carol Hill.
user
Ok, wait a minute.
assistant
Sure.
user
Sorry, there is no reservation found.
assistant
Ok, it is not a problem. Thanks for your information.
user
Thank you for picking us.
assistant