You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approved my leaves, so can you please cancel it?

ASSISTANT: Sure, please provide me the name to check for the status.

USER: Carol Adams here.

ASSISTANT: Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for reaching us.