You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Cynthia Hill here. I have to cancel my reservation which I have done earlier to participate in dance programme but unfortunately I have stay back here to take care of my grandmother. Can you please help me out with cancelling of my reservation?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for contacting us, have a nice day.