You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Daniel Robinson. I want ot cancel my reservation as my meeting got postponed, can you please help me?

ASSISTANT: Sure, please wait a minute.

USER: OK.

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

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.