You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am unable to travel to airport to board my flight due to met with an accident in my way to airport. Can you please help me with cancellation?

ASSISTANT: Sure, May I know your name?

USER: Sure, Debra Turner is my name.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: We have found a reservation on your name, Shall I cancel it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for opting us.