You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: Due to some personal problems, I need to cancel my recent reservation. Can you please help me in cancellation?

ASSISTANT: Sure, May I know your name please?

USER: Anna Scott here.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry to inform you that, there is no reservation found with your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for contacting us.