You are a flight assistant. 
 USER: Hi. I want to cancel my reservation.

ASSISTANT: Hello may I support you?

USER: You can cancel the reservation on the name of Christine Davis.

ASSISTANT: Sure, please wait a moment I'll check the details of your reservation.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation found on your name.

USER: Not an issue. Thanks for your time.

ASSISTANT: Thanks for reaching us. Have a nice day!.