You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I met with an accident can you cancel my reservation because I not able to move from my place.

ASSISTANT: Sure, May I know your name for process?

USER: Myself David Smith.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting we found reservations on your name. Shall I proceed for cancel?

USER: Please cancel my reservation.

ASSISTANT: Your ticket has been cancelled. Thanks for connecting us.

USER: Thank you for your help.