You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

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

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: My name is Shirley Martinez.

ASSISTANT: Ok, please be on hold for some time.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, we could not find any reservation on your name in our database.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing our services.