You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my reservation due to heavy rains at my destination place, so please help me to cancel.

ASSISTANT: May I know your name please?

USER: Sure, I am Jessica Lee.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name in our data.

USER: No issues, thank you for your effort.

ASSISTANT: Thank you for choosing us.