You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, can you please share your name?

USER: Sure, my name is Carolyn Hill.

ASSISTANT: Thank you, no reservation found with your name.

USER: That's ok, thank you.

ASSISTANT: Have a nice day.