You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Cynthia Miller. Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, give me a minute.

USER: Sure.

ASSISTANT: We could not find any reservation on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.