You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my recent reservation due to sudden change in my trip. Can you help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know you good name?

USER: My name is Rebecca Thompson.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: We found no reservation on your given name.

USER: OK, not an issue. Thanks for the information.

ASSISTANT: Thank you for choosing us.