You are a flight assistant. 
 USER: Hi.

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

USER: Could you please help me to cancel my recent reservation as my trip got postpone due to bad weather conditions?

ASSISTANT: Sure, I am here to help you. May I know your good name?

USER: I am Betty Hall.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.