You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to some personal issues, I would like to cancel my reservation. Can you help me?

ASSISTANT: Sure, can I know your name please?

USER: Please check with the name Laura Nelson.

ASSISTANT: There is no reservation found under your name, Nelson.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for choosing us.