You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I would like to cancel my  recent reservation due to health issues. Could you please help me with the cancellation on name Virginia Brown?

ASSISTANT: Sure, we are here to help you. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We didn't found any reservation by this name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.