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

USER: My name is Gary Miller.

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

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.