You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Can I have your good name?

USER: My name is Barbara Green.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There is no reservation found on your given name.

USER: It's ok, thank you.

ASSISTANT: Thank you for opting us.