You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recently done reservation, can you please help me in this condition?

ASSISTANT: Sure, please provide me your name to check the reservation status.

USER: Sure, my name is Barbara White.

ASSISTANT: Barbara, there is no reservation found with your details.

USER: That's fine. Thank you for your service.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Most welcome.