You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation due to some health issue. Can you help me?

ASSISTANT: Sure. May I know your name?

USER: Sure, I am Virginia Harris.

ASSISTANT: Give me a minute.

USER: Sure.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.