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

ASSISTANT: Hello, how can I aid you today?

USER: I need to cancel my reservation as my plan to go on a vacation got cancelled. Can you help me with it?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found with your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.