You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I am Joseph King, I want to cancel my recent reservation as I met with a injury, help me in cancelling my reservation.

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for giving your valuable time. There is no seat reserved for you in any flight.

USER: Its ok, I think it has been cancelled by my father.

ASSISTANT: Thanks for your kind approach.

USER: Thank you.