You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Myself David Lopez.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Your reservation found and cancelled successfully.

USER: Thank you for cancelling my flight ticket.

ASSISTANT: Welcome, thank you for reaching us.