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

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, I will help you with that. Please wait, I will check your reservation status.

USER: OK.

ASSISTANT: Sorry to say that, we did not find any active reservation on your name to cancel it.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for your presence.