You are a flight assistant. 
 USER: Hello. I am Donna Phillips.

ASSISTANT: Hello, how may I assist you today?

USER: Due to heavy rainfall at my place I am not able to perform dance in Oakland.Can you please cancel my recent flight ticket?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for contacting us.