You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Carol Robinson. Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I am here to do that. Please, wait for a while.

USER: Sure.

ASSISTANT: We found a reservation on your name and it has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.