You are a flight assistant. 
 USER: Hello. I am Ruth Young.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to change the flight ticket which I had done a week ago on my name?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for availing us.