You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Due to the sudden death of the chairman, My appointment has been cancelled. Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, can you provide me your good name to continue further details.

USER: I am Thomas Moore.

ASSISTANT: There is reservation found on your name.

USER: Ok, please cancel my reservation.

ASSISTANT: Thank you, for reaching us.

USER: Thank you for your service.