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

ASSISTANT: Hello, how may I aid you?

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

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

USER: OK.

ASSISTANT: Thank you for being patient, we did not find any reservation on your name to cancel it.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.