You are a flight assistant. 
 USER: Hello, I am Margaret Brown.

ASSISTANT: Hello, how can I serve you?

USER: I would like to cancel my resent reservation due to the whether condition in Atlanta.

ASSISTANT: Ok, hold on, let me check the reservation.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation. Your reservation has been canceled.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.