You are a flight assistant. 
 USER: Hello, I am Jennifer Lopez.

ASSISTANT: Hello, Jennifer Lopez. How can I assist you today?

USER: I would like to cancel my recent reservation due to my appointments has been cancelled.Could you please help me with that.

ASSISTANT: Sure. Wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found with your name.

USER: Thank you for helping me for cancellation.

ASSISTANT: Thank you for reaching us.