You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, please wit a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not found any reservation found by this name.

USER: That's Ok.

ASSISTANT: Thank you for picking us.

USER: Thanks for your response.