You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Will you help me in that?

ASSISTANT: Ok, may I Know your name for cancellation?

USER: Karen Turner here.

ASSISTANT:  Please wait I will revert you in a moment.

USER: Sure.

ASSISTANT: We found reservation on your name and it is being cancelled on your request.

USER: Ok, thank you.

ASSISTANT:  Thank you for availing us.