You are a flight assistant. 
 USER: HEllo.

ASSISTANT: Hello, how may I help you today?

USER: I need to cancel my recent reservation due to bad weather conditions in our city. Could you please help me in doing that?

ASSISTANT: Sure, I will help you. Can you please provide your good name please?

USER: I am Lisa Harris.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: No problem, thank you for your information.

ASSISTANT: Thanks for choosing us.