You are a flight assistant. 
 USER: Hello. I am Thomas Lopez.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to cancel my recent reservation due to cancel of my shooting. Could you please help me?

ASSISTANT: Sure, we are here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.