You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I need to cancel my recent reservation as my trip got cancelled due to bad weather conditions. Can you help me in cancellation?

ASSISTANT: Sure, may I know your name please?

USER: I am Stephen Nelson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.