You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I'm here to help you always. Please provide me your name.

USER: Thank you, please check the reservation on Alexander Edwards.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Alexander Edwards, there is no active reservation found under your name to do cancellation.

USER: Ok, thanks for providing information.

ASSISTANT: Thank you for choosing us.