You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, my name is Joshua Martinez.

ASSISTANT: There is no reservation found on your name.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.