You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Actually, I made a reservation earlier to go for a trip with my friends but now I want to cancel the reservation. Aid me in cancelling the reservation.

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: May I know your name?

USER: The previous reservation was with the name of Joshua White.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your precious time, there is no reservation found on your name.

USER: Fine, thank you.

ASSISTANT: Thank you for choosing us.