You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: I want to cancel my reservation because I have to stay with my mother. Can you please help me?

ASSISTANT: May I know your name?

USER: My name is Rachel Jones.

ASSISTANT: Sorry, I did not find any reservation on your name. Thank you for reaching us.

USER: Not an issue, thank you very much for checking.