You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my recent reservation as my joining date in a company got postponed.

ASSISTANT: Sure, may I know your name?

USER: I am Paul Green.

ASSISTANT: Ok, give me a minute.

USER: Ok.

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

USER: No issues, thank you for the information.

ASSISTANT: Thanks for choosing us, have a nice day.