You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, can I have your name to proceed further?

USER: My name is Donna Robinson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT:  Thank you for your time, sorry no reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.