You are a flight assistant. 
 USER: Hi, I am Daniel King.

ASSISTANT: Hello.

USER: My business trip got postponed, so I want to cancel my recent reservation.

ASSISTANT: Ok, give me some time.

USER: Sure.

ASSISTANT: Thanks for your time. Sorry to inform you that there is no reservation found against your name.

USER: Ok, no issues.

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

USER: Thanks for your quick response.