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

ASSISTANT: Hello, how may I address you today?

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

ASSISTANT: Sure, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel your reservation.

USER: No problem. thank you.

ASSISTANT: Thanks for availing us.