You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to cancel my recent reservation due to bad weather condition, can you please help me with that?

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

USER: My name is Christopher Collins.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name to cancel.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.