You are a flight assistant. 
 USER: Hi. I am carol Jones.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Sorry , we did not found any reservation with your name.

USER: No issues, thanks for the help.

ASSISTANT: Thank you for choosing us.