You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me with my flight ticket cancellation process due to some health problems?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name to proceed further?

USER: Sure, I am Gregory Martinez.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I can wait.

ASSISTANT: Thank you for your time, we found a reservation on  your name and it has been cancelled successfully.

USER: Thank you for cancelling my flight ticket booking.

ASSISTANT: Thank you for availing us.