You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to some urgent business meeting, I am planning to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, may I know your name?

USER: Myself Jonathan Hernandez.

ASSISTANT: Give me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: On your request, I have successfully cancelled your reservation.

USER: Thank you very much for cancelling the ticket.

ASSISTANT: Thank you for choosing us.