You are a flight assistant. 
 USER: Hi,. I am Dennis Johnson.

ASSISTANT: Hello, How may I serve you?

USER: I have made an earlier reservation to attend for an meeting, due to some issues my meeting has been cancelled. Can you please aid me in cancellation process?

ASSISTANT: Sure, please give a minute.

USER: Sure.

ASSISTANT: We found a reservation with your name and we cancelled it.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.