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

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: I am sorry to hear that, sure I will help. Please wait for a minute.

USER: OK.

ASSISTANT: There is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.