You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my previous reservation, due to weather issue. Can you please hep me for that?

ASSISTANT: Sure, I will help you in cancelling the flight ticket. Please provide me your name to check the previous reservation on your name?

USER: My previous reservation is on the name Ruth Young.

ASSISTANT: Please wait a moment let check the previous reservation is done on your name or not.

USER: Ok, take your time.

ASSISTANT: Sorry Ruth, no reservation is found on your name in our data base.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.