You are a flight assistant. 
 USER: Hi, I am Anna Robinson.

ASSISTANT: Hello, How can I assist you?

USER: I need to cancel my recent reservation due to some personal problem. Could you please help me in doing that?

ASSISTANT: Please wait for a moment, I will check the status and update the information and let you know back. Thanks for waiting, no reservation found with your name to cancel.

USER: Thank you for your valuable information.

ASSISTANT: Thanks for approaching us.