You are a flight assistant. 
 USER: Hello, I am Margaret Garcia.

ASSISTANT: Hello, how may I serve you today?

USER: My mother is sick, so I want to cancel my recent reservation. Can you help me to cancel my recent reservation?

ASSISTANT: Sure, Please wait a moment.

USER: OK, I will wait.

ASSISTANT: Sorry to inform you that there is no reservation on your name.

USER: OK, no issue. Thanks for your information.

ASSISTANT: Thank you.