You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, due to heavy rainfall at my destination. Can you help me with cancellation on the name of Patricia Collins?

ASSISTANT: Sure, I am here to help.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I don't see any reservation on your name to cancel.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you.