You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me in this?

ASSISTANT: Sure, may I know your name to fetch your information from our database?

USER: Sure, my name is Janet Davis.

ASSISTANT: We regret to inform you that there is no reservation found on your name to cancel.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Anyways, thank you for your service.