You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Ronald Hernandez. Can you help me in cancelling my flight ticket?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: We found a reservation with your name, shall I proceed with cancelling?

USER: Sure, proceed with the cancellation.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you so much for your service.

ASSISTANT: Thank you for reaching us.