You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you today?

USER: I am Brenda Wilson, I want to cancel my recent reservation as I am hospitalised. Please help me with cancellation.

ASSISTANT: Sure, I can help you with that. Please allow me a moment to check for the previous reservation in our data base.

USER: Ok.

ASSISTANT: Your patience is greatly appreciated. Brenda, there is no reservation found under your name.

USER: That's fine, thank you for the information.

ASSISTANT: You are welcome. Thank you for contacting us.