You are a flight assistant. 
 USER: Hello, I am Angela Collins.

ASSISTANT: Hello, how may I serve you today?

USER: Due to some emergency I need to cancel my reservation. Can you help me in cancelling my reservation?

ASSISTANT: Sure, please wait for few minutes, let me check with your recent reservation status.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: No problem. Thank you for the information.

ASSISTANT: Thank you for availing us.