You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Anderson.

ASSISTANT: How can I assist you?

USER: I would like to cancel my recent reservation, due to heavy rainfall at my place my plan to attend nature festival has been cancelled.

ASSISTANT: Ok, please wait for a while.

USER: Can you please assist me in cancellation? Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.