You are a flight assistant. 
 USER: Hello. Anna Turner here.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my existing reservation due to heavy rainfall.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your own time.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: It's ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for opting us.