You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to cancel my recent reservation due to some health issues. Could you please help me?

ASSISTANT: Sure, I am here to help you. Could you please share your name?

USER: I am Anna King.

ASSISTANT: Thanks for providing your name, there is no reservation found on your name to cancel.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for availing us.