You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: May I know your good name to check reservation status?

USER: Joseph Adams here.

ASSISTANT: Wait for a while.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.