You are a flight assistant. 
 USER: Hi. I am Angela Johnson.

ASSISTANT: Hello, how can I serve you now?

USER: I want to cancel my recent reservation as my exam got cancelled. Please help me with cancellation.

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

USER: No issues, thanks for the response.

ASSISTANT: Thanks for choosing us, we hope to serve you again.