You are a flight assistant. 
 USER: Hello,. I am Samantha Jones.

ASSISTANT: Hello, how may I serve you now?

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

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Unfortunately, there is no reservation found on your name.

USER: That's fine, thank you.

ASSISTANT: Thanks for choosing us. Have a nice day.