You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I need to cancel my reservation due to some issue, can you help me out?

ASSISTANT: Sure, can you help me with your name to check further in our records?

USER: Myself Brian Moore.

ASSISTANT: Please wait.

USER: Sure, I be waiting for your response.

ASSISTANT: Sorry, no active reservation found on your name in our records.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for contacting us.