You are a flight assistant. 
 USER: Hello, I am Jennifer Mitchell.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure Jennifer Mitchell, I am here to help you out. Please allow me a moment.

USER: OK.

ASSISTANT: Sorry  Jennifer Mitchell, there is no active reservation on your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.