You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you cancel my ticket which is reserved with my name Angela Roberts? Because my sports meetings is cancelled.

ASSISTANT: Sure. Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Thank you for assisting me.

ASSISTANT: Thank you.