You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I need to cancel my reservation, can you please help me out?

ASSISTANT: Sure, please let me know the name on which your reservation was made formerly?

USER: Myself Ruth Nelson.

ASSISTANT: Ok, please allow me a minute to check the reservation list and get back to you with an update.

USER: Ok, I will be waiting.

ASSISTANT: Thanks for waiting, I have gone through the list twice but could not find any reservation active by the name Ruth Nelson in our data base.

USER: That's ok, thank you for searching my details.

ASSISTANT: Thank you for consulting us. We hope to serve you better in future.