You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I want to cancel my reservation as I got hospitalized last night and I cant travel. Can you cancel my reservation made on name Barbara Wilson?

ASSISTANT: Sure, I can help you out. May I know your name?

USER: I am Barbara Wilson.

ASSISTANT: We didn't found any reservation by this name.

USER: Ok fine. Thanks for your service.

ASSISTANT: Thank you for consulting us.