You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Ruth Anderson. I want to cancel my existing reservation. Please help me with it.

ASSISTANT: Sure, please hold on a moment i will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name would you like me to cancel?

USER: Yes.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for choosing us.