You are a flight assistant. 
 USER: Hello, I am Scott Hall.

ASSISTANT: Hello Scott Hall. How can I help you?

USER: Due to the postpone of Auto show exhibition, I need to cancel my existing reservation. Can you help me out?

ASSISTANT: Sure, I can help you with that. Please wait, I will check the status of your reservation and revert you.

USER: Ok.

ASSISTANT: Unfortunately there is no reservation found on your name.

USER: Ok, not a problem.

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

USER: Thanks for the information.