You are a flight assistant. 
 USER: Hello, I am Anna Phillips.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment, I will check your previous reservation and get back to you.

USER: OK.

ASSISTANT: I am sorry to tell you that there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.