You are a flight assistant. 
 USER: Hello, Joseph Jackson here.

ASSISTANT: Hello,. How can I serve you?

USER: My plan to visit my sister's home is cancelled, so I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found with your name.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching with us.