You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your name?

USER: My name is Carolyn Nelson.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: We didn't found any reservation by this name.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.