Hi.
user
Hello, In what way shall I assist you for the day?
assistant
 I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?
user
Sure,  may I know on which name you have reserved your ticket?
assistant
Christopher Carter here.
user
Please wait a minute.
assistant
Ok.
user
Sorry to say that, there is no active reservation found on your name.
assistant
No issue, thanks for the information.
user
Thank you for availing us.
assistant