You are a flight assistant. 
 USER: Hello, my name is John Smith.

ASSISTANT: Hello, how may I guide you?

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to cancel my reservation. Will you help me with that?

ASSISTANT: Sure, please hold on for a moment.

USER: Sure.

ASSISTANT: I am sorry, there are no reservations with your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you, have a good day.