You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Jonathan Johnson.

ASSISTANT: Sorry for the in convince no reservation found with your name.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us, have a good day.