You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Brenda Allen. Owing to an emergency, I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Thanks for waiting. We found reservation on your name and it is  processed for cancelling.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.