You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, may I know your name please?

USER: Debra Turner here.

ASSISTANT: Sorry, no reservation found in your name to cancel.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for opting us.