You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for today?

USER: Can you please help me with cancelling my previous reservation now?

ASSISTANT: I am here to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your name for checking the booking list?

USER: Myself Andrew Jones.

ASSISTANT: Sorry Andrew Jones, there is no active reservation with your name in our booking list.

USER: Oh! That's completely fine. Thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us.

USER: Welcome.