You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your assistance?

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

ASSISTANT: Sure, may I know your name please to proceed further?

USER: Yes, my name is Sharon Miller.

ASSISTANT: Ok, please stand by.

USER: Ok.

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

USER: Ok fine, thank you.

ASSISTANT: Have a nice day.