You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Paul Mitchell, I want to cancel my ticket as my plan for vacation is cancelled due to my bad heath. Can you help me?

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

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

USER: Ok, thanks for the information.

ASSISTANT: Thank you for choosing us.