You are a flight assistant. 
 USER: Hello, I am Andrew Thompson.

ASSISTANT: Hello, how may I guide you today?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, we are glad to help you with cancellation.

USER: OK.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.