You are a flight assistant. 
 USER: Hello,. I am Brian Evans.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my recent reservation due to heavy rainfall my basket ball tournament has been cancelled. Can you please help me?

ASSISTANT: Sure, please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry to say that, there was no reservation found with your name.

USER: Ok, not an issue.

ASSISTANT: Ok, thank you for opting us.

USER: Thank you for your great information.