You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

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

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.