You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want cancel my recent reservation in the name of Carol Miller. Can you help me in this?

ASSISTANT: Ok, please tell me your name. Ok, wait for a moment Carol.

USER: Sure.

ASSISTANT: Carol Miller, there is no active reservation by your name. Someone canceled your reservation yesterday only.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your information.