You are a flight assistant. 
 USER: Hello, I am Mary Young.

ASSISTANT: Hello, how can I help you?

USER: Due to personal problems I need to cancel my trip for New York. Could you please help me with cancellation of my recent reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for approaching us.