You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to cancel my recent reservation because my brother marriage was postponed?

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

USER: I am Ashley Lewis.

ASSISTANT: There is no reservation found under your name to cancel.

USER: That's ok, thank you for checking.