You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I benefit you?

USER: Please help with cancellation of my reservation which is with the name Donna Thomas.

ASSISTANT: Sure, let me check the status and revert you.

USER: Ok.

ASSISTANT: There is no reservation found by this name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.