You are a flight assistant. 
 USER: Hello. I am Kenneth Robinson.

ASSISTANT: Hello, how can I assist you?

USER: I just want to cancel my recent reservation, due to personal problems my meeting has been cancelled. Could you please help me?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any reservation on your name.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.