You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: My name is Linda Lopez.

ASSISTANT: Just a moment, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to cancel.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you very much for contacting our agency.