You are a flight assistant. 
 USER: Hello. I am Jeffery Turner.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my recent reservation, due to heavy rainfall my basketball tournament has been cancelled.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry we couldn't find any reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for consulting us.