You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Due to my wife is sick I need to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, May I know your name?

USER: My name is Donna Adams.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name to cancel it.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.