You are a flight assistant. 
 USER: Hi. I am George Nelson.

ASSISTANT: Hello. How can I assist you today?

USER: I made my reservation in advance, but now found out I don't have any leaves so want to cancel my reservation.Please help me to cancel it.

ASSISTANT: Sure, I will help you with that. Please give me a moment for checking your reservation status.

USER: That's Fine. Ok.

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

USER: No issue. Thank you for the information.