You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Mark Moore.

ASSISTANT: Ok.

USER: Owning a private work I would like to cancel my reservation. Can you help me in cancelling my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, no reservation found on your name.

USER: No issues, thank you for your quick response.

ASSISTANT: Thank you for availing us.