You are a flight assistant. 
 USER: Hello, I am Elizabeth Miller.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I had to request for this cancellation. Can you please help me in that?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's not a problem. Thank you.

ASSISTANT: Thank you for choosing us.