You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: May I know your name to check with your previous booking?

USER: Sure, Anthony Martin.

ASSISTANT: Please be on hold for a while.

USER: Ok.

ASSISTANT: Anthony Martin, there is no active reservation by your name in our data.

USER: That's Fine.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.

ASSISTANT: Have a nice day.