You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I am here to help you. May I know your name to check with the status?

USER: Myself Mary Miller.

ASSISTANT: Please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting. Mary Miller, regret to inform that there is no active reservation found under your name to cancel.

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

ASSISTANT: Thank you for reaching us.