You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jonathan Young. Can you please help me to cancel my active reservation as my exams was cancelled?

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will wait.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.